Identifying and Classifying 3-D Shapes

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Questions and Answers

Which object is a sphere?

  • A block
  • A book
  • A cracker
  • A ball (correct)

Which of these is a flat shape, not a 3D shape you can hold?

  • Circle (correct)
  • Cube
  • Cone
  • Cylinder

If you stack square crackers one on top of the other, which 3D shape is being formed?

  • A pyramid
  • A sphere
  • A cone
  • A cube (correct)

Which of these objects is shaped like a cylinder?

<p>A soda can (B)</p> Signup and view all the answers

Which of these shapes has a curved surface and a point at the top?

<p>Cone (A)</p> Signup and view all the answers

Which 3D shape can roll easily?

<p>Sphere (C)</p> Signup and view all the answers

Which of the following items is shaped like a rectangular prism?

<p>A book (C)</p> Signup and view all the answers

What is the difference between a square and a cube?

<p>A square is flat, and a cube is like a box. (A)</p> Signup and view all the answers

Imagine you are sorting blocks. You put all the blocks with 6 faces into one group. Which shapes are in that group?

<p>Cubes (C)</p> Signup and view all the answers

If you want to build a tower, which shape would be easiest to stack?

<p>Cube (A)</p> Signup and view all the answers

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Flashcards

What are 3-D shapes?

Objects that have length, width, and height.

What are 2-D shapes?

Flat shapes with only length and width.

Describe a cube.

A cube has 6 square faces, 12 edges, and 8 vertices.

What is a sphere?

A sphere is perfectly round, like a ball.

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Describe a cone.

A cone has a circular base and a pointed top.

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What is a cylinder?

A cylinder has two circular ends and a curved surface.

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What is sorting?

Grouping shapes based on similar characteristics.

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What is classifying real objects?

Figuring out what kind of 3D shape everyday objects are.

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Study Notes

  • 3-D shapes can be identified
  • The differences between 2D and 3D shapes can be determined
  • 3-D shapes can be sorted
  • 3-D shapes can be classified based on attributes
  • Attributes include size, shape, and function
  • Real objects can be classified based on 3-D shapes

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