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Intro to 3D Shapes
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What you will learn from this videoWhat you will learn
- 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 Video
What is a 2D shape?ANSWERA 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 Video
What is a 3D shape?ANSWERA 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
- Practice Word Problems
- Practice Number Problems
- Lesson Plan
- Teacher Guide