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Intro to 3D Shapes
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 How to identify three dimensional shapes like spheres, cubes and rectangular prisms.
 The shape does not change even if it's made bigger or is turned on its side.
 This knowledge can help us plan a party, take care of pets and even enjoy ice cream.

Discussion Questions
 Before VideoWhat is a 2D shape?ANSWER
A 2D shape is flat.
A square has four sides of the same length.
A triangle has three sides.
A circle has no sides or corners.
A rectangle is a flat shape (2D) that has four sides and four square corners.
 After VideoWhat is a 3D shape?ANSWER
A 3D shape is a shape that is solid.
Some examples of spheres are basket balls, soccer balls, bowling balls, oranges etc. Use classroom examples too.
A cube is a solid shape with six faces that are all squares.
No, if we rotate a shape, it is still the same shape. If we change the size of the shape, it is still the same shape.
A cone has a circle on one side and is pointy on the other side.

Vocabulary
 2D shapes DEFINE
Shapes that are flat.
 Circle DEFINE
A 2D shape with no sides and no corners.
 Triangle DEFINE
A 2D shape with three sides.
 Rectangle DEFINE
A 2D shape with four sides and four square corners.
 Square DEFINE
A 2D shape with four sides that are all the same length and four square corners.
 3D shapes DEFINE
Shapes that are solid, not flat.
 Sphere DEFINE
A 3D shape with no sides and no corners.
 Cube DEFINE
A 3D shape with six square faces.
 Face DEFINE
The flat side of a 3D shape.
 Rectangular Prism DEFINE
A 3D shape with six faces made of rectangles.
 Cylinder DEFINE
A 3D shape with circles on both ends.
 Cone DEFINE
A 3D shape with a circle on one end, and a point on the other end.
 2D shapes DEFINE

Reading Material
Download as PDF Download PDF View as Seperate PageWHAT IS INTRO TO 3D SHAPES?2D shapes are flat. 3D shapes are solid. Some examples of 3D shapes are cubes, spheres, and cones.
To better understand intro to 3D Shapes…
WHAT IS INTRO TO 3D SHAPES?. 2D shapes are flat. 3D shapes are solid. Some examples of 3D shapes are cubes, spheres, and cones. To better understand intro to 3D Shapes…LET’S BREAK IT DOWN!
Properties of flat shapes
A circle has no sides and no corners. A triangle has three sides and three corners. A rectangle has four sides and four square corners. A square is a rectangle where all of the sides are the same length.
Properties of flat shapes A circle has no sides and no corners. A triangle has three sides and three corners. A rectangle has four sides and four square corners. A square is a rectangle where all of the sides are the same length.Balls are spheres.
A sphere is a solid shape with no sides and no corners. A baseball is a sphere. A basketball is a sphere.
Balls are spheres. A sphere is a solid shape with no sides and no corners. A baseball is a sphere. A basketball is a sphere.Boxes are rectangular prisms.
You see a box. All the faces of the box are shaped like rectangles. This box is a 3D shape called a rectangular prism. A cube has 6 faces that are squares.
Boxes are rectangular prisms. You see a box. All the faces of the box are shaped like rectangles. This box is a 3D shape called a rectangular prism. A cube has 6 faces that are squares.A bucket is a cylinder.
You have a bucket of ice cream. The bucket has a circle at the top and at the bottom. The sides of the bucket are curved. This is a cylinder. A can of soda is also a cylinder.
A bucket is a cylinder. You have a bucket of ice cream. The bucket has a circle at the top and at the bottom. The sides of the bucket are curved. This is a cylinder. A can of soda is also a cylinder.Ice cream cones are cones.
We scoop the icecream into an ice cream cone. A cone is a 3D shape that has a circle on one end. The other end is pointy. The orange markers on roads are called traffic cones. This is because they are shaped like cones.
Ice cream cones are cones. We scoop the icecream into an ice cream cone. A cone is a 3D shape that has a circle on one end. The other end is pointy. The orange markers on roads are called traffic cones. This is because they are shaped like cones. 
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