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mental math within 100, categoryk2, mental math, head, brain, mind Grades K-2 
Mental Math within 100


intro to angles, categorygrades35, angle, angles, degrees, right, acute, obtuse Grades 3-5 
Intro to Angles


intro to algebraic expressions, categorygrades68, algebraic, algebraic equation, algebraic equations, algabraic, algabraic equation, algabraic equations, expression, expressions, expresion, expresions, algebra, algabra Grades 6-8 
Intro to Algebraic Expressions


powers of 10, categorygrades35, ten, 10, power, powers, multiplies, exponent, exponents, exponential Grades 3-5 
Powers of 10


volume of cylinders, cones & spheres, categorygrades68, volume, cone, cones, sphere, spheres, cylinder, cylinders, cylander, cylanders Grades 6-8 
Volume of Cylinders, Cones & Spheres


multiplying fractions by whole numbers, categorygrades35, multiply, multiplication, multiplying, multiplied, fraction, fractions Grades 3-5 
Multiplying Fractions by Whole Numbers


multiply & divide with negative numbers, categorygrades68, negative, negative numbers, integer, integers, multiply, multiplying, multiplication, divide, division, dividing Grades 6-8 
Multiply & Divide with Negative Numbers


composing & decomposing numbers (11-19), categoryk2, compose, composing, decompose, decomposing, decomposting, put together, break apart, separate, split Grades K-2 
Composing & Decomposing Numbers (11-19)


equivalent fractions, categorygrades35, fraction, fractions, denominator, numerator, denominators, numerators, equivalent Grades 3-5 
Equivalent Fractions


area of polygons (using decomposition), categorygrades68, area, decompose, decomposing, decomposition, polygon, composite Grades 6-8 
Area of Polygons (Using Decomposition)


money: combinations of bills & coins, categoryk2, money, coin, coins, bill, bills, dollar, dollars, penny, nickel, dime, quarter, combine, combination, pennys, pennies, nickels, dimes, quarters, cent, cents Grades K-2 
Money: Combinations of Bills & Coins


intro to multiplication, categorygrades35, multiply, multiplication, multiplying, multiplied, factor, factors, product, products Grades 3-5 
Intro to Multiplication


scientific notation, categorygrades68, scientific notation, scientific notations Grades 6-8 
Scientific Notation


partition shapes into equal shares, categoryk2, shape, shapes, split, cut, partition, partitions, partitioning, partitioned, half, halves, halfs, quarter, quarters, fourth, fourths, equal part, equal parts, third, thirds Grades K-2 
Partition Shapes Into Equal Shares


addition & subtraction within 1,000, categorygrades35, add, addition, adding, subtract, subtraction, subtracting, sum, addened, total Grades 3-5 
Addition & Subtraction Within 1,000


probability: compound events, categorygrades68, probability, probability, event, events, compound Grades 6-8 
Probability: Compound Events


comparing 3-digit numbers, categoryk2, compare, comparing, comparison, place value, place values, 3-digit, 3 digits, three digit, three digits, greater than, less than, inequalities, inequality Grades K-2 
Comparing 3-Digit Numbers


convert units of measurement, categorygrades35, convert, conversion, unit, units, measurement, measurements, lbs, pound, pounds, oz, ounce, ounces, meter, meters, cm, centimeter, centimeters, inch, inches, feet, foot, foots, feets Grades 3-5 
Convert Units of Measurement


solve algebraic equations (1-step), categorygrades68, algebraic, algebraic equation, algebraic equations, algabraic, algabraic equation, algabraic equations, algebra, algabra Grades 6-8 
Solve Algebraic Equations (1-Step)


add & subtract within 100, categoryk2, add, addition, adding, subtract, subtraction, subtracting, sum, addened, total Grades K-2 
Add & Subtract Within 100


add & subtract fractions (unlike denominators), categorygrades35, add, addition, adding, subtract, subtraction, subtracting, fraction, fractions, common denominator, common denominators, like denominators, numerator, denominator, different denominator, different denominators, unlike denominator, unlike denominators Grades 3-5 
Add & Subtract Fractions (Unlike Denominators)


intro to data: pictographs & bar graphs, categoryk2, bargraph, bargraphs, bar graph, bar graphs, picture graph, picture graphs, picto graph, picto graphs, pictograph, pictographs, pictografs, pictograf Grades K-2 
Intro to Data: Pictographs & Bar Graphs


introduction to order of operations, categorygrades35, pemdas, gems, grouping, groupings, parenthesis, parentheses, brackets, braces, order, order of operations, ordering, operations order, operations Grades 3-5 
Introduction to Order of Operations


transformations: reflections & translations, categorygrades68, transformation, reflection, translation, transformations, reflections, translations, reflect, reflecting, translate, translating Grades 6-8 
Transformations: Reflections & Translations


comparing 2-digit numbers, categoryk2, compare, comparing, comparison, place value, place values, 2-digit, 2 digits, two digit, two digits, greater than, less than, inequalities, inequality Grades K-2 
Comparing 2-Digit Numbers


lines of symmetry, categorygrades35, symetry, symmetry, line, lines, symetrical, symmetrical, mirror, miror Grades 3-5 
Lines of Symmetry


histograms & box plots, categorygrades68, histogram, histograms, box plot, box plots, histograph, histographs, whisker, whiskers, boxplot, boxplots, bucket, frequency Grades 6-8 
Histograms & Box Plots


intro to 3d shapes, categoryk2, 3d, 3 d, 3-d, shape, shapes, cube, cubes, prism, prisms, sphere, spheres, rectangular Grades K-2 
Intro to 3D Shapes


division using an area model, categorygrades35, division, divide, dividing, divisions, split, divison, dividend, divisor, quotiet, partial quotient, partial quotients, big 7, big seven, area model, box model, area, box Grades 3-5 
Division Using an Area Model


probability: single events, categorygrades68, probability, event, events, change, changes, stats, statistics, statistical, probable, chance, changes Grades 6-8 
Probability: Single Events


intro to finding area, categorygrades35, area, areas, space, 2d, 2-dimensional, 2 dimensional, square, square unit, square units Grades 3-5 
Intro to Finding Area


skip counting (2s, 5s, 10s & 100s), categoryk2, skip count, skip counting, skip, count, counting, 2s, 5s, 10s, 100s Grades K-2 
Skip Counting (2s, 5s, 10s & 100s)


numbers in expanded & word form (1,000 & beyond), categorygrades35, expand, expanded form, expanded forms, word form, words, writing, write Grades 3-5 
Numbers in Expanded & Word Form (1,000 & Beyond)


find solutions to algebraic inequalities, categorygrades68, inequalities, inequality, algebra, algabraic, algebraic, , algabra Grades 6-8 
Find Solutions to Algebraic Inequalities


comparing quantities up to 10, categoryk2, compare, comparing, comparison, greater than, less than, more than, match, matching Grades K-2 
Comparing Quantities up to 10


intro to division, categorygrades35, division, divide, dividing, divisions, split, divison, dividend, divisor, quotient, quotiet Grades 3-5 
Intro to Division


integer exponents, categorygrades68, exponent, exponential, integer, integers Grades 6-8 
Integer Exponents


solve problems with decimals (using models), categorygrades35, decimal, decimals Grades 3-5 
Solve Problems with Decimals (Using Models)


mean, median & mode, categorygrades68, mean, median, mode, average, distribution, graph, graphing, data, stats, staticistic, statistics Grades 6-8 
Mean, Median & Mode


intro to measurements: weight & length, categoryk2, measurement, measure, measurements, measuring, weight, weights, mass, masses, length, long, short, heavy, light Grades K-2 
Intro to Measurements: Weight & Length


rounding (nearest 10 and 100), categorygrades35, estimate, estimation, round, rounding, approximate, approximation, nearest Grades 3-5 
Rounding (Nearest 10 and 100)


square roots & cube roots, categorygrades68, square root, square roots, cube root, cube roots Grades 6-8 
Square Roots & Cube Roots


read & write numbers to 100, categoryk2, read, reading, writing, writing, draw, drawing, 100, 120 Grades K-2 
Read & Write Numbers to 100


introduction to perimeter, categorygrades35, perimeter, peremeter, peremiter, perimater, length, lengths, distance, measure, measurement Grades 3-5 
Introduction to Perimeter


add & subtract with negative numbers, categorygrades68, negative, negative numbers, integer, integers, add, adding, addition, subtract, subtracting, subtraction Grades 6-8 
Add & Subtract with Negative Numbers


classify objects by attribute (color, size & shape), categoryk2, classify, clasify, classifying, classification, sort, sorting, group, grouping, attribute, attributes, atribute, atribues, shape, shapes, color, colors, size, sizes Grades K-2 
Classify Objects by Attribute (Color, Size & Shape)


add & subtract fractions (like denominators), categorygrades35, add, addition, adding, subtract, subtraction, subtracting, fraction, fractions, common denominator, common denominators, like denominators, numerator, denominator Grades 3-5 
Add & Subtract Fractions (Like Denominators)


proportional relationships, categorygrades68, proportional, relationships, proportion, relationship Grades 6-8 
Proportional Relationships


intro to regrouping (when adding & subtracting), categoryk2, regroup, regrouping, carry, carrying Grades K-2 
Intro to Regrouping (When Adding & Subtracting)


generate number patterns (sequences that follow a given rule), categorygrades35, pattern, patterns, sequence, sequences Grades 3-5 
Generate Number Patterns (Sequences That Follow a Given Rule)


solve problems with ratios and proportions, categorygrades68, none Grades 6-8 
Solve Problems with Ratios and Proportions


add & subtract within 20, categoryk2, add, addition, adding, subtract, subtraction, subtracting, sum, addend, total Grades K-2 
Add & Subtract Within 20


multiplication using the standard algorithm, categorygrades35, multiply, multiplication, multiplying, multiplied, factor, factors, product, products, standard algorithm, standard algorithms, standard, traditional, old-school, old school Grades 3-5 
Multiplication Using The Standard Algorithm


surface area using nets (prisms & pyramids), categorygrades68, surface area, area Grades 6-8 
Surface Area Using Nets (Prisms & Pyramids)


place value: ones, tens & hundreds, categoryk2, place value, place values, tens, ones, hundreds Grades K-2 
Place Value: Ones, Tens & Hundreds


calculate volume (l x w x h), categorygrades35, volume, volumes, lxwlh, l x w x h, length times width Grades 3-5 
Calculate Volume (l x w x h)


use all 4 quadrants of the coordinate plane, categorygrades68, coordinate, co-ordinate, cordinate, coordinates, co-ordinates, cordinates, plane, grid, grids, planes, quadrant, quadrants Grades 6-8 
Use All 4 Quadrants of the Coordinate Plane


intro to equality (find a missing number), categoryk2, equal sign, equality, missing number, equal, unknown number, add, addition, adding, subtract, subtraction, subtracting, sum, addend, total Grades K-2 
Intro to Equality (Find a Missing Number)


scaled picture graphs & bar graphs, categorygrades35, bar graph, bar graphs, picture graph, picture graphs, picto graph, picto graphs, scaled, scaling Grades 3-5 
Scaled Picture Graphs & Bar Graphs


solve algebraic equations (2-step), categorygrades68, algebraic, algebraic equation, algebraic equations, algabraic, algabraic equation, algabraic equations, algebra, algabra Grades 6-8 
Solve Algebraic Equations (2-Step)


intro to 2d shapes, categoryk2, shape, shapes, flat, 2d, 2-d, 2 dimensional, two dimensional, 2 dimentional, two dimentional, square, squares, rectangle, rectangles, triangle, triangles, circle, circles Grades K-2 
Intro to 2D Shapes


rounding (nearest 1,000 & beyond), categorygrades35, estimate, estimation, round, rounding, approximate, approximation, nearest Grades 3-5 
Rounding (Nearest 1,000 & Beyond)


irrational numbers, categorygrades68, irrational, never ends, terminating, pi, pie Grades 6-8 
Irrational Numbers


composing & decomposing numbers (1-10), categoryk2, compose, composing, decompose, decomposing, decomposting, put together, break apart, separate, split Grades K-2 
Composing & Decomposing Numbers (1-10)


multiplying up to 4 digits (area model), categorygrades35, area model, area, box, multiply, multiplication, multiplying, multiplied, factor, factors, product, products Grades 3-5 
Multiplying Up To 4 Digits (Area Model)


intro to subtraction, categoryk2, subtract, subtraction, subtracting, take away, taking away, difference Grades K-2 
Intro to Subtraction


solve 2-step problems (all 4 operations), categorygrades35, two step, 2 step, 2-step, multi step, multistep, two part, 2 part, 2-part, two part Grades 3-5 
Solve 2-Step Problems (All 4 Operations)


solve systems of equations, categorygrades68, system of equations, systems of equations, system, systems, algebra, algabra, algabraic, algebraic Grades 6-8 
Solve Systems of Equations


strategies to add & subtract within 20 (make a 10 & doubles facts), categoryk2, add, addition, adding, subtract, subtraction, subtracting, sum, addend, total, strategy, strategies, make 10, make ten, make a ten, make a 10, making 10, making a 10, making a ten Grades K-2 
Strategies to Add & Subtract within 20 (Make a 10 & Doubles Facts)


introduction to decimals (tenths & hundredths), categorygrades35, decimal, decimals, tenth, tenths, hundredth, hundredths, 0.1, 0.01 Grades 3-5 
Introduction to Decimals (Tenths & Hundredths)


angle relationships in triangles and transversals, categorygrades68, transverse, transversal, angle, angles, degrees, angle sum, angle sums, angles sum, angles sums Grades 6-8 
Angle Relationships in Triangles and Transversals


identify & draw shapes by attributes, categoryk2, draw, dawing, attribute, attributes, atribute, atribues, shape, shapes, circle, triangle, square, hexagon, rectangle, circles, triangles, squares, hexagons, rectangles Grades K-2 
Identify & Draw Shapes By Attributes


intro to fractions using the number line, categorygrades35, number line, number lines, fraction, fractions, denominator, numerator, denominators, numerators Grades 3-5 
Intro to Fractions Using the Number Line


determine the number of solutions for linear equations, categorygrades68, linear equation, linear equations, algebra, algabra, algabraic, algebraic, determine number, determine the number, number of solutions, infinite solutions, no solution Grades 6-8 
Determine The Number of Solutions for Linear Equations


numbers in expanded & word form (3-digit numbers), categoryk2, expand, expanded form, expanded forms, word form, words, writing, write Grades K-2 
Numbers in Expanded & Word Form (3-Digit Numbers)


tell time (nearest minute), categorygrades35, time, minute, hour, hours, minutes, o'clock, clock, clocks Grades 3-5 
Tell Time (Nearest Minute)


graphing linear equations: slope & y-intercept (y= mx + b), categorygrades68, graph, graphing, proportional, proportion, slope, slopes, sloping, mx + b, y = mx + b, y=mx + b, y=mx+b Grades 6-8 
Graphing Linear Equations: Slope & y-intercept (y= mx + b)


add & subtract using the standard algorithm, categorygrades35, add, addition, adding, subtract, subtraction, subtracting, sum, addened, standard algorithm, standard algorithms, standard, traditional, old-school, old school Grades 3-5 
Add & Subtract Using the Standard Algorithm


greatest common factor & least common multiple, categorygrades68, gcf, lcm, greatest common factor, least common multiple, greatest common factors, least common multiples, greatest factor, common multiple Grades 6-8 
Greatest Common Factor & Least Common Multiple


create new shapes from existing ones, categoryk2, shape, shapes, compose, composing, create new shapes, make new shapes, new shapes, more shapes Grades K-2 
Create New Shapes From Existing Ones


intro to quadrilaterals and their attributes, categorygrades35, shape, shapes, quadrilaterals, quadrilateral, quadralaterals, quadralateral, rectangle, rectangles, square, squares, parallelogram, paralellogram, parallelograms, paralellograms, rhombus, 4 sides Grades 3-5 
Intro to Quadrilaterals and their Attributes


dividing fractions by fractions, categorygrades68, fraction, fractions, denominator, numerator, denominators, numerators, division, divide, dividing, divisions, split, divison, dividend, divisor, quotient, quotiet Grades 6-8 
Dividing Fractions by Fractions


intro to counting in groups (arrays), categoryk2, array, arrays, group, groups, grouping, count is groups, counting in groups, row, rows Grades K-2 
Intro to Counting in Groups (Arrays)


interpreting fractions as division, categorygrades35, division, divide, dividing, divisions, split, divison, dividend, divisor, quotient, quotiet,
fraction, fractions, denominator, numerator, denominators, numerators Grades 3-5 
Interpreting Fractions as Division


pythagorean theorem, categorygrades68, pythagorean theorem, pythagorean, theorem, therem, therum, pithagorean, triangle, traingles, a squared, a^2 Grades 6-8 
Pythagorean Theorem


tell time (nearest half hour), categoryk2, time, hour, hours, minute, minutes, clock, clocks Grades K-2 
Tell Time (Nearest Half Hour)


classify shapes in a hierarchy (quadrilaterals & triangles), categorygrades35, classify, clasify, classification, classifications, sort, organize, hierarchy, heirarchy, hiarchy, hiearchy, shape, shapes, quadrilaterals, quadrilateral, quadralaterals, quadralateral, rectangle, rectangles, square, squares, parallelogram, paralellogram, parallelograms, paralellograms, rhombus, 4 sides, triangle, triangles, polygon, polygons Grades 3-5 
Classify Shapes in a Hierarchy (Quadrilaterals & Triangles)


how many triangles can you make? (given conditions), categorygrades68, triangle, triangles Grades 6-8 
How Many Triangles Can You Make? (Given Conditions)


place value: ones & tens, categoryk2, place value, place values, tens, ones Grades K-2 
Place Value: Ones & Tens


measure mass & volume (metric system), categorygrades35, mass, volume, measure, metric, gram, grams, liter, milliliter, weight, volumetric Grades 3-5 
Measure Mass & Volume (Metric System)


scatter plots (displaying bivariate data), categorygrades68, bivariate, scatter plot, scatter plots, graph, graphs, graphing Grades 6-8 
Scatter Plots (Displaying Bivariate Data)


add more than 2 numbers, categoryk2, add, addition, adding, subtract, subtraction, subtracting, sum, addened, total, 3 numbers, three numbers, 4 numbers, four numbers Grades K-2 
Add More Than 2 Numbers


intro to remainders in a division problem, categorygrades35, none Grades 3-5 
Intro to Remainders in a Division Problem


intro to ratios, categorygrades68, ratio, ratios, part of whole, part to part Grades 6-8 
Intro to Ratios


intro to data: line plots, categoryk2, line plot, line plots, line graph, line graphs, line chart, line charts, number line, number lines Grades K-2 
Intro to Data: Line Plots


compare non-equivalent fractions, categorygrades35, fraction, fractions, denominator, numerator, denominators, numerators Grades 3-5 
Compare Non-Equivalent Fractions


long division (standard algorithm for division), categorygrades68, long division, division, divide, dividing, divisions, split, divison, dividend, divisor, quotient, quotiet, classic, old school, traditional, standard, algorithm Grades 6-8 
Long Division (Standard Algorithm for Division)


measure & add length (intro to the ruler), categoryk2, ruler, rulers, inch, inches, cm, centimeters, centimeter, centi meter, length, distance, lengths, distances Grades K-2 
Measure & Add Length (Intro to the Ruler)


find factor pairs within 100, categorygrades35, factor, factoring, factor pair, factor pairs Grades 3-5 
Find Factor Pairs within 100


intro to functions, categorygrades68, function, functions, f of x, f(x) Grades 6-8 
Intro to Functions


line plots with fractional measurements, categorygrades35, line plot, line plots, line graph, line graphs, line chart, line charts, number line, number lines Grades 3-5 
Line Plots with Fractional Measurements


measure elapsed time, categorygrades35, time, elapsed, elapse, stopwatch, stop watch, timer, timing, clock Grades 3-5 
Measure Elapsed Time


transformations: rotations & dilations, categorygrades68, transformation, rotation, dilation, transformations, rotations, dilations, rotate, dilate, transform, transforming, rotating, dilating Grades 6-8 
Transformations: Rotations & Dilations


multiplication properties (commutative, associative & distributive), categorygrades35, property, properties, comutative, comutitive, commutative, commutative, associative, asociative, distributive, distribution, distribute Grades 3-5 
Multiplication Properties (Commutative, Associative & Distributive)


identify number patterns (in arithmetic and the multiplication table), categorygrades35, pattern, patterns, sequence, sequences, multiplication table Grades 3-5 
Identify Number Patterns (In Arithmetic and the Multiplication Table)


intro to negative numbers, categorygrades68, negative, negative numbers, integer, integers, number line, number lines,comparing, comparison, inequality, inequalities, greater than, less than Grades 6-8 
Intro to Negative Numbers


multiplying fractions by fractions, categorygrades35, multiply, multiplication, multiplying, multiplied, fraction, fractions, numerator, denominator, numerators, denominators Grades 3-5 
Multiplying Fractions by Fractions


decimals to the thousandths, categorygrades35, decimal, decimals, thousandth, thousandths, estimate, estimation, round, rounding, approximate, approximation, nearest Grades 3-5 
Decimals to the Thousandths


area & circumference of circles, categorygrades68, circle, circles, circumference, radius, diameter, diameters, pie, pi, 3,1, 3.14, 3.141, 3,1415, radius, radial, area Grades 6-8 
Area & Circumference of Circles


division using partial quotients (the big 7 model), categorygrades35, division, divide, dividing, divisions, split, divison, dividend, divisor, quotiet, partial quotient, partial quotients, big 7, big seven Grades 3-5 
Division Using Partial Quotients (The Big 7 Model)


division with unit fractions & whole numbers, categorygrades35, fraction, fractions, denominator, numerator, denominators, numerators, division, divide, dividing, divisions, split, divison, dividend, divisor, quotient, quotiet Grades 3-5 
Division with Unit Fractions & Whole Numbers


surface area (using formulas), categorygrades68, surface area, area Grades 6-8 
Surface Area (Using Formulas)


four seasons and day length, categoryk2, season, seasons, day, day length, daylight, seasonal, fall, autumn, autum, winter, sping, spring, summer, hibernate, hibernation Grades K-2 
Four Seasons and Day Length


chemical vs. physical changes, categorygrades35, chemical change, physical change, chemical, physical, chemical reaction, reactions, chemical reactions, chemistry, states of matter, mixture, mixtures, changes, change, elephant toothpaste, elephant, toothpaste, foam, magnatism Grades 3-5 
Chemical vs. Physical Changes


bacteria & viruses, categorygrades68, bacteria, virus, viruses, covid, covid19, covid-19, microbe, microbes, microorganisms, microorganisms, micro-organisms, micro organisms, microorganism, micro-organisms, micro organism, flu, sick, infection, vaccine, vaccination, microscope Grades 6-8 
Bacteria & Viruses


patterns in the sky, categoryk2, sun, star, stars, moon, pattern, patterns, sky, rise, set, predict, prediction, predicted Grades K-2 
Patterns in the Sky


variation of traits, categorygrades35, traits, trait, variation, adaptation, adaptations, parent, offspring, reproduction, natural selection, heredity, hereditary, inherited Grades 3-5 
Variation of Traits


multicellular organisms, categorygrades68, cell, cells, tissue, tissues, organ, organs, body system, body systems, multicellular, multi cellular, multi-cellullar, organization, structure, muscles, muscular, nervous, sense, senses, receptor, receptors, stomach, lungs, brain, nerve, nerves, kidney, brain, intestine, intestines, stomach, digestive, digest, respiratory, renal, excretory Grades 6-8 
Multicellular Organisms


introduction to sound, categoryk2, sounds, sound, hear, hearing, ear, vibrate, vibration, speaker, tune, music Grades K-2 
Introduction to Sound


balanced & unbalanced forces, categorygrades35, force, forces, strength, direction, balanced, unbalanced, motion, hovercraft, gravity Grades 3-5 
Balanced & Unbalanced Forces


atoms & molecules, categorygrades68, atom, atoms, molecules, molecule, compound, chemical, reaction, chemical reaction, chemicals, atomic, proton, neutron, electron, protons, neutrons, electrons Grades 6-8 
Atoms & Molecules


what is engineering?, categoryk2, engineering, engineer, engineered, enginer, design, design process, inventor, invention, inventions Grades K-2 
What is Engineering?


lines, line segments, & rays, categorygrades35, line, lines, segment, segments, ray, rays, point, points Grades 3-5 
Lines, Line Segments, & Rays


understanding the basic coordinate plane, categorygrades35, coordinate, co-ordinate, cordinate, coordinates, co-ordinates, cordinates, plane, grid, grids, planes, quadrant, quadrants Grades 3-5 
Understanding the Basic Coordinate Plane


area of triangles & quadrilaterals (using formulas), categorygrades68, area, triangle, trapezoid, parallelogram, rhombus, trapezoids, parallelograms, rhombuses Grades 6-8 
Area of Triangles & Quadrilaterals (Using Formulas)


multiplication comparisons, categorygrades35, compare, comparison, comparisons, comparing, multiplication, multiplicative, multiplicitive Grades 3-5 
Multiplication Comparisons


standard algorithm with decimals (all 4 operations), categorygrades68, decimal, decimals, traditional, classic, standard, algorithm, algorithms Grades 6-8 
Standard Algorithm with Decimals (All 4 Operations)


whole number exponents, categorygrades68, exponent, exponents, gems, order of operation, order of operations, pemdas Grades 6-8 
Whole Number Exponents


scale drawings (using scale factor), categorygrades68, scaling, scale, scale drawing, scale drawings, scale factor, scale factors, scale Grades 6-8 
Scale Drawings (Using Scale Factor)


weathering & erosion, categorygrades35, weathering, erosion, erosions, deposition, wind, ice, freeze, freezing, deposited, rock, rocks, sediment, sedimentary, sediments, glacier, grand canyon, river, mountain, landform, land form, land, land forms, soil, topsoil, change, changes Grades 3-5 
Weathering & Erosion


tectonic plates, categorygrades68, tectonics, tectonic, plates, plate, tectonic plates, earthquake, mountains, boundary, boundaries, convergent, divergent, transform, continental drift Grades 6-8 
Tectonic Plates


the five senses, categoryk2, sense, senses, see, hear, touch, taste, smell, see, eye, eyes, ear, ears, mouth, tongue, tonge, nose, noses, skin, hands, seeing, hearing, touching, tasting, tasteing, smelling, seeing Grades K-2 
The Five Senses


structure of living things, categorygrades35, structure, structures, function, functions, animal, animals, plant, plants, bone, skin, eyes, survival, endoskeleton, exoskeleton, skeleton, living, alive, life, academy, lizard, bob Grades 3-5 
Structure of Living Things


solar & lunar eclipses, categorygrades68, eclipse, eclipses, solar eclipse, lunar eclipse, blood moon Grades 6-8 
Solar & Lunar Eclipses


introduction to weather, categoryk2, weather, rain, raining, rainy, snow, snowy, snowing, storm, stormy, wind, winds, windy, sunny, sun, clouds, cloud, cloudy Grades K-2 
Introduction to Weather


water cycle (3-5 version), categorygrades35, water, vapor, gas, rain, water cycle, precipitation, snow, hail, cloud, clouds, weather, dew distillation, condensation, condense, evaporate, evaporation, cycle, hydrological, hydrologic, hydro, watercycle Grades 3-5 
Water Cycle (3-5 Version)


chemical reactions, categorygrades68, law of conservation, chemical, chemistry, react, reaction, reactions Grades 6-8 
Chemical Reactions


simple machines, categoryk2, simple machine, simple machines, pulley, pulleys, wheel, axel, axle, lever, levers, screw, force, forces, ramp, incline plane, included plane, wedge, strength, direction, machine, machines, levers, tool, tools Grades K-2 
Simple Machines


properties of matter, categorygrades35, matter, properties, chemicals, density, chemical, conductivity, conductive, magnetism, solubility, solube, property, sulfur hexafluoride, slime, mass, volume, explosion, explosions, mater Grades 3-5 
Properties of Matter


natural selection, categorygrades68, natural selection, evolution, adapt, adapting, adaptation, darwin, finch, finches, evolve Grades 6-8 
Natural Selection


oceans, lakes and rivers, categoryk2, ocean, oceans, water, waters, lake, lakes, river, rivers, pond, glacier, glaciers, groundwater Grades K-2 
Oceans, Lakes and Rivers


earth’s orbit & rotation, categorygrades35, orbit, rotation, spin, earth, earth's, earths, sky, space, shadow, shadows, constellations, cunstollation, constellation, parallax, day, night, sun, star, stars, pattern, patterns, geocentric, heliocentric, leap, zone, sundial, pendulum, planet, planets Grades 3-5 
Earth’s Orbit & Rotation


electricity & circuits, categorygrades68, electrical, electricity, electronic, electronics, circuit, circuits, closed circuit, open circuit, series, parallel, resistor, wire, capacitor, transistor, motor, led, potentiometer Grades 6-8 
Electricity & Circuits


living vs. non-living things, categoryk2, living, non-living, nonliving, not living, not-living, alive, dead, live, life, rock, nutrients, breath, breathing, reproduce, reproduction Grades K-2 
Living vs. Non-Living Things


fossils & extinction, categorygrades35, fossil, fossils, extinct, extinction, dinosaur, dinosaurs, tar, brea, ancient, prehistoric, cat, wolf, herbivore, carnivore, omnivore, carnivores, omnivores, herbivores, paleontologist, wolf, dig, digging, fosil, fosils Grades 3-5 
Fossils & Extinction


electromagnetic spectrum, categorygrades68, electromagnetic spectrum, radio, light, visible, microwave, microwaves, micro wave, micro waves, ir, infrared, infra red, radiation, radiate, rainbow, light wave, waves, wave, uv, ultraviolet, glow, glowing, radioactive, gamma, x-ray, x-rays, x ray, x rays, xray, xrays, wavelength, wave length, amplitude, frequency, frequencies Grades 6-8 
Electromagnetic Spectrum


heating and cooling, categoryk2, heating, cooling, heat, cool, hotter, colder, temperature, degree, degrees, reversible, not reversibe, non-reversible, nonreversible, fahrenheit, celsius, melting, melt, freeze, freezing Grades K-2 
Heating and Cooling


energy transfer, categorygrades35, energy, energy transfer, transfers, electric, electricity, conversion, light, sound, heat, generator, generate, generating, battery, batteries, charge, charging, motion, solar, wind, thermal, hydropower Grades 3-5 
Energy Transfer


plant & animal cells, categorygrades68, cell, cells, nucleus, vacuole, chloroplast, cell wall, cell membrane, chlorophyll, cellular, mitochondria, golgi, golgi apparatus, lysosome, microscope Grades 6-8 
Plant & Animal Cells


inspired by nature (biomimicry), categoryk2, biomimicry, mimic, mimicry, design, invention, inspire, inspired, inspriation, inspirational, designs, solution, invention, inventions Grades K-2 
Inspired by Nature (Biomimicry)


sun and other stars, categorygrades35, sun, star, space, earth, distance, size, bright, distance, light year, planisphere, telescope, sirius, rigel, betelgeuse, telescope, telescopes Grades 3-5 
Sun and Other Stars


causes of seasons, categorygrades68, tilt, season, seasons, summer, fall, winter, spring, sunlight, sun light, 23.5, 23, orbit Grades 6-8 
Causes of Seasons


introduction to light, categoryk2, light, lights, lite, lyt, liet, transparent, translucent, opaque, dark, darkness, see, eyes, eye, illuminate, illuminated, light source, candle, laser, lightbulb, light bulb, bright Grades K-2 
Introduction to Light


brain processing of senses, categorygrades35, brain, nerves, nerve, nervous, sensory, sense, senses, receptor, signal, taste, touch, smell, see, hear, vision, touch, reaction time, engineer, engineering, engineers Grades 3-5 
Brain Processing of Senses


symbiosis (interactions between organisms), categorygrades68, symbiosis, symbiotic, competition, relations, relationships, interact, interaction, commensalism, mutualism, parasite, parasitic, parasitism, predator, prey, predation Grades 6-8 
Symbiosis (Interactions Between Organisms)


pollination and seed dispersal, categoryk2, pollen, pollens, pollin, polen, pollinator, pollinators, pollination, pollinating, pollenator, pollenators, pollenation, pollenating, seed, seeds, disperse, dispersal, dispersing, dispersor, plant, plants, bee, bugs, bug Grades K-2 
Pollination and Seed Dispersal


adaptations and the environment, categorygrades35, animal, animals, plants, plant, adapt, adapting, adaptation, adaptations, predator, prey, camouflage, sloth, armadillo, echidna, life, environment, environments, finch, finches, beak, beaks, beakes, adaptions Grades 3-5 
Adaptations and the Environment


electric & magnetic fields, categorygrades68, field, fields, electric, magnetic, magnet, magnets, magent, magents, electro magnet, electromagnet, electromagnets, attract, attractive, repel, repulsive Grades 6-8 
Electric & Magnetic Fields


material properties and purposes, categoryk2, material, property, properties, purpose, purposes, color, hardness, texture, flexibility, strength, absorbency, absorbent Grades K-2 
Material Properties and Purposes


collisions, categorygrades35, collision, collisions, energy, energy transfer, moving, motion, transfer, impact, crash, contact, rube goldberg, force Grades 3-5 
Collisions


classification of living things, categorygrades68, classify, classification, taxonomy, shared trait, shared traits, domain, kingdom, phylum, class, order, family, genus, species, scientific name, armadillo, salamander, taxonomic, hierarchy Grades 6-8 
Classification of Living Things


gravity pulls things down, categoryk2, gravity, gravitational, pull down, newton, apple Grades K-2 
Gravity Pulls Things Down


magnets & static electricity, categorygrades35, magnet, magnets, magnetism, magnetic, static electricity, static, push, pull, electromagnet, electromagnets, attract, attraction, repel, repulsion, ferro fluid, electrical, van de graff Grades 3-5 
Magnets & Static Electricity


gravitational forces between objects, categorygrades68, gravity, gravitation, gravitational Grades 6-8 
Gravitational Forces Between Objects


pushes and pulls, categoryk2, pushes, push, pulls, pull, force, forces, strength, direction, motion, motions, move, movement Grades K-2 
Pushes and Pulls


food webs, categorygrades35, food, web, chain, webs, chains, sun, decompose, decomposers, producer, producers, consumer, consumers, apex, bacteria, fungi, fungus, compost, energy, photosynthesis, foodweb, foodchain, foodwebs, foodchains Grades 3-5 
Food Webs


synthetic materials, categorygrades68, synthetic, chemical reaction, chemical, chemistry, reaction, man made, cman-made, chemical, chemistry, nylon, biodiesel, nitiniol, foam, unnatural Grades 6-8 
Synthetic Materials


introduction to traits, categoryk2, trait, traits, brother, sister, parent, offspring, offsprings, baby, babies, mom, dad, mother, father, daddy, mommy Grades K-2 
Introduction to Traits


conservation of matter, categorygrades35, conservation, conserve, burn, reaction, reactions, chemistry, physical, matter, dry ice, vanish, disappear, dissolve, law Grades 3-5 
Conservation of Matter


competition in ecosystems, categorygrades68, ecosystem, ecosystems, eco system, eco system, ecology, ecological, competition, population, sustain Grades 6-8 
Competition in Ecosystems


plant growth conditions, categoryk2, plant, plants, grow, growth, soil, sand, clay, loam, soils, soil quality Grades K-2 
Plant Growth Conditions


ecosystems, categorygrades35, ecosystem, ecosystems, habitat, habitats, ecology, eco, invasive, rainforest, living, non-living, terrarium, bacteria, environment, environments, terrariums, ecosytem, ecosytems Grades 3-5 
Ecosystems


wave reflection, absorption & transmittance, categorygrades68, wave, waves, reflect, reflection, absorb, absorption, transmit, transmittance, sound, light, refract, refraction, wavelength, wave length, amplitude, frequency, frequencies Grades 6-8 
Wave Reflection, Absorption & Transmittance


what is science? (k-2 version), categoryk2, investigate, clue, clues, science, what is science, what is science?, experiment, experimentation, science, scientist, engineer, engineering, evidence, practice, practices, method, scientific, control, controlled, astronomy, biology, chemistry, paleontology, evidence, claim, claims, variable, variables, inquiry, investigation, investigations, law, laws, theory, theories, hypothesis Grades K-2 
What Is Science? (K-2 Version)


patterns of motion & friction, categorygrades35, motion, moving, friction, pattern, patterns, pendulum Grades 3-5 
Patterns of Motion & Friction


comparative anatomy, categorygrades68, anatomy, anatomical, evolution, natural selection, bone, bones, embryo, embryological, arms, limbs, common ancestor, phylogeny, evolutionary phylogenetic Grades 6-8 
Comparative Anatomy


animals help their babies survive, categoryk2, offspring, offsprings, baby, babies, animal, animals, skink, owl, aligator, alligator, croc, crocodile, kangaroo, pouch, survive, survival, chirp, moo, patterns in behavior, behavior, behavioral pattern, behavioral patterns Grades K-2 
Animals Help Their Babies Survive


renewable vs. nonrenewable resources, categorygrades35, renew, renewable, non-renewable, nonrenewable, fossil fuel, fossil fuels, sunlight, wind, power, resources, energy, engine, coal, oil, natural gas, ethanol, algae, generator, natural resource, natural resources Grades 3-5 
Renewable vs. Nonrenewable Resources


engineering design process, categorygrades68, engineer, engineering, design, design process, engineering design process, build Grades 6-8 
Engineering Design Process


solids, liquids and gases, categoryk2, solid, solids, liquids, liquid, gases, gas, states of matter, phases, phases of matter, phase, state, matter, forms, mater Grades K-2 
Solids, Liquids and Gases


what is science? (3-5 version), categorygrades35, experiment, experimentation, science, scientist, engineer, engineering, evidence, practice, practices, method, scientific, control, controlled, astronomy, biology, chemistry, paleontology, evidence, claim, claims, variable, variables, inquiry, investigation, investigations, law, laws, theory, theories, hypothesis Grades 3-5 
What Is Science? (3-5 Version)


natural resource distribution, categorygrades68, natural resource, natural resources, resource distribution, resources distribution, gold, coal, oil, natural gas, tectonic, continental, fossil fuel, fossil fuels Grades 6-8 
Natural Resource Distribution


biodiversity of life on earth, categoryk2, diversity, diverse, life, animals, biodiversity, bio-diversity, habitat, habitats, lemur, scorpion, frog, skunk, backyard Grades K-2 
Biodiversity of Life on Earth


natural disasters, categorygrades35, earthquake, earth quake, earthquakes, tsunami, tsunamis, sunami, sunamis, volcano, volcanoes, volcanos, hazard, natural, disaster, disasters, magnet, crust, plates, tectonic Grades 3-5 
Natural Disasters


what is science? (6-8 version), categorygrades68, science, science and engineering practices, practices of science, sep, seps, ngss, next generation science, crosscutting, cross cutting, cross-cutting, dci, dcis Grades 6-8 
What is Science? (6-8 Version)


sunlight warms the earth, categoryk2, sunlight, sun, sunlit, sun light, warming, warm, heating, heat, shine, shade Grades K-2 
Sunlight Warms the Earth


extreme weather solutions, categorygrades35, weather, engineering, engineer, hurricane, hurricanes, tornado, tornados, tornadoes, lightning, thunder, roof, heat wave, solutions, pattern, patterns, disaster, storm, storms Grades 3-5 
Extreme Weather Solutions


intro to thermal energy, categorygrades68, thermal, thermal energy, heat, phase change, phase changes, heating Grades 6-8 
Intro to Thermal Energy


habitats, categoryk2, habitat, habitats, environment, environments, surrounding, surroundings Grades K-2 
Habitats


how do we use food, categorygrades35, energy, food, transfer, transferred, foods, hunger, photosynthesis, digestion, digestive, hydroponic, hydroponics, eat, eating, sun Grades 3-5 
How Do We Use Food


food webs: cycling of matter & flow of energy, categorygrades68, food web, food webs, food, matter cycle, cycle matter, cycling of matter, cycling of energy, energy flow, flow of energy, flow of matter, tropic Grades 6-8 
Food Webs: Cycling of Matter & Flow of Energy


parts of a plant, categoryk2, plant, plants, flower, flowers, stem, stems, roots, root, leaves, leaf, external part, external parts, fruit, fruits, seed, seeds Grades K-2 
Parts of a Plant


wave properties, categorygrades35, wave, waves, amplitude, wavelength, energy, sound, transverse, longitudinal, particle, particles, wavelength Grades 3-5 
Wave Properties


properties of elements, categorygrades68, element, elements, periodic table, properties of elements, elemental, periods, groups, mendeleev, atomic number, atomic mass, electron, electrons, proton, protons, neutron, neutrons, density, reactivity Grades 6-8 
Properties of Elements


communication over distances, categoryk2, communication, light, sound, distance, communicate, comunicate, comunication, telephone, phone, morse, moorse, code Grades K-2 
Communication Over Distances


moon & its phases, categorygrades35, moon, phase, phases, tides, reflection, space, earth, moons, crater, craters, telescope, telescopes Grades 3-5 
Moon & Its Phases


water cycle (6-8 version), categorygrades68, water cycle, wattercycle, water cycles, hydrologic, hydrological, precipitation, evaporate, evaporation, condesate, condensation, water Grades 6-8 
Water Cycle (6-8 Version)


maps of landforms, categoryk2, map, maps, physical map, topographic, topographical, mapping, landform, landforms, land form, land forms, mountain, mountains, forest, forests, geography Grades K-2 
Maps of Landforms


interactions of earth’s spheres, categorygrades35, earth, earths, earth's, sphere, spheres, geosphere, biosphere, atmosphere, biosphere, hydrosphere, recycle, recycling, rocks, rock, ice, clouds, weather, weathering, erosion, deposition, polution, pollution, green, sustainability, sustainable Grades 3-5 
Interactions of Earth’s Spheres


potential vs. kinetic energy, categorygrades68, energy, potential, kinetic, roller coaster Grades 6-8 
Potential vs. Kinetic Energy


animals need food, categoryk2, food, eat, eating, nutrients, animal, animals, need, needs, requirement, require, porcupine, monitor, lizard, monkey, wolf, dog, monkeys, lizards Grades K-2 
Animals Need Food


light reflection & vision, categorygrades35, light, lights, vision, see, seeing, reflect, reflection, eye, eyes, laser, light bulb, lens Grades 3-5 
Light Reflection & Vision


genes & mutations, categorygrades68, gene, genes, dna, genetic, genetics, genetic material, heredity, hereditary, offspring, mutation, mutations, chromosome, chromosomes Grades 6-8 
Genes & Mutations


classification of materials, categoryk2, sort, sorting, classify, classifying, classification, observable, properties, property, color, hardness, hard, texture, soft, softness, flexibility, grouping, absorbency Grades K-2 
Classification of Materials


particle nature of matter, categorygrades35, matter, particles, particle model, particle, atoms, molecules, gas, nitrogen, vacuum, physical, chemistry, physics, atom, molecule, atomic Grades 3-5 
Particle Nature of Matter


the solar system, categorygrades68, solar system, sun, mars, venus, jupiter, saturn, mercury, uranus, pluto, neptune, galaxy, star, stars, asteroid, asteroids, keiper, solar systems, telescope Grades 6-8 
The Solar System


natural resources, categoryk2, natural resources, natural resource, recycle, recycling, reduce, reuse, sustainable, sustainability, landfill, conserve, wood, trees, land, air, pollute, pollution Grades K-2 
Natural Resources


weather vs. climate, categorygrades35, weather, climate, atmosphere, pattern, patterns, rain, thermometer, anemometer, barometer, pressure, wind, temperature Grades 3-5 
Weather vs. Climate


photosynthesis & respiration, categorygrades68, photosynthesis, respiration, cellular respiration, sugar Grades 6-8 
Photosynthesis & Respiration


changing the shape of land, categoryk2, weathering, erosion, land, erosions, eroding, land form, landforms, shape of land, land shape, prevent, stop Grades K-2 
Changing the Shape of Land


animal group behavior, categorygrades35, group, groups, behavior, behaviors, animal, animals, migration, predator, prey, ant, life Grades 3-5 
Animal Group Behavior


rocks & minerals (including rock cycle), categorygrades68, rock, rocks, mineral, minerals, rock cycle, metamorphic, igneous, sedimentary, lava, magma Grades 6-8 
Rocks & Minerals (Including Rock Cycle)


reducing our impact on earth, categoryk2, human impacts, impact, recycle, recycling, reduce, reuse, three rs, 3 rs, waste, dump, dumping, three r's, 3 r's, landfill, conserve, land, air, pollute, pollution Grades K-2 
Reducing Our Impact on Earth


information transfer, categorygrades35, tech, technology, technologies, electric, electronic, electrical, communication, communicate, digital, cd, music, text, signal, signals, code, coding, program, programming, morse, pixel, pixels, radio, computer, transmit, microchip, pattern, patterns, computers, robots, robotics, computer, robot Grades 3-5 
Information Transfer


rock layers (geologic time), categorygrades68, rock, rock layer, rock layers, geologic, geology, geologic time scale, time scale. strata, stratum Grades 6-8 
Rock Layers (Geologic Time)


external animal parts, categoryk2, anatomy, animal parts, animal part, parts of an animal, tail, claws, skin, structure, structures, function, function, structure and function Grades K-2 
External Animal Parts


earth’s landscapes, categorygrades35, rock, layers, layer, landscape, landscapes, ancient, landscape, earth, earths, earth's, fossil, fossils, time, geologic, geology, bone, sharktooth, shark tooth, paleontology, silt, sedimentary, grand canyon, erosion, landform, landforms, land form, land forms, environment, environments Grades 3-5 
