Lesson 1 Shapes That Are Solid

    • Let’s sort and describe solid shapes.

Warm-up Which One Doesn’t Belong: Shapes

Which one doesn’t belong?

  1. Square, shaded blue.
  2. Solid shape. Cube.
  3. Circle.
  4. Triangle.

Activity 1 Sort Solid Shapes

4 blocks. 

  1. Sort some of the shapes into categories in a way that makes sense to you.
    Explain how you sorted the shapes.

  2. Sort some of your shapes into categories in a different way.
    Explain how you sorted the shapes.

Activity 2 Describe and Find Shapes

  • Pick a bag.

  • Each partner feels the shape in the bag without looking at it and thinks about which shape it is.

  • Each partner tells which shape they think it is and why.

  • Look in the bag to check.

  • Pick a different bag.

Practice Problem

Problem 1

Jada felt a shape in a bag.
She felt a point and a curve.
Circle the shape that could be in the bag.

  1. Solid shape. Sphere.
  2. Solid shape. Cube.
  3. Solid shape. Cylinder.
  4. Solid shape. Cone.