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Intro to Quadrilaterals and their Attributes
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What you will learn from this videoWhat you will learn
- A quadrilateral is a closed shape that has 4 straight sides.
- Shapes like squares, rectangles and rhombuses can share attributes that define a larger category of shapes.
- Knowing how to identify quadrilaterals can help us travel, fly a kite, and even improve the community!
- Discussion Questions
Before Video
Is a circle a polygon? Why or why not? ANSWERIt is not. A polygon is a closed shape that has straight sides, while a circle has curves.
Squares and rectangles.
Any drawing of a closed shape with exactly 5 sides.
Four.
A triangle.
After Video
What is one shared attribute of squares and rhombuses?ANSWERBoth have all sides equal in length. Both have two sets of parallel sides.
Squares have four right angles and rhombuses do not.
Both belong to parallelograms, quadrilaterals, and polygons.
The number gets smaller since the new category is more specific.
Squares fit ALL of the attributes that define rectangles, but rectangles do not fit all of the attributes that define squares. Not all rectangles have four sides of equal length.
- Vocabulary
- Polygon DEFINE
A closed shape that has straight sides.
- Quadrilateral DEFINE
A closed shape that has four straight sides.
- Rectangle DEFINE
A quadrilateral with four square corners.
- Square DEFINE
A quadrilateral with four square corners and four equal sides.
- Rhombus DEFINE
A quadrilateral with four equal sides.
- Parallel lines DEFINE
Lines that stay the same distance apart and never cross.
- Parallelogram DEFINE
A quadrilateral with two pairs of parallel sides.
- Trapezoid DEFINE
A quadrilateral with exactly one pair of parallel sides.
- Kite DEFINE
A quadrilateral with no parallel sides and two pairs of sides next to each other of equal length.
- Polygon DEFINE
- Reading Material
- Practice Word Problems
- Practice Number Problems
- Lesson Plan
- Teacher Guide
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Level 1
What do we call all quadrilaterals that have two sets of parallel sides?
Level 2
Does a shape have to have a right angle to be a quadrilateral? If no, give an example.
Level 3
Name all the subcategories of quadrilaterals that a square fits into.
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