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1st grade · Math · Unit 7 of 14

Shapes

Flat shapes and solid shapes

What your child practices

Naming and comparing 2D shapes by their sides and corners, and 3D objects by their faces and whether they roll or stack.

Arizona Academic Standards learning standard: 1.G.A.1; 1.G.A.2 · defining attributes of shapes and building composite shapes

How we explain it

Children can open this short lesson before they practice.

  1. Flat shapes have sides and corners.
  2. Solid shapes can roll, stack or slide.
  3. A sphere rolls every way, like a ball.

Example: Which solid shape rolls every way, like a ball? A cube has flat sides, so it slides. Only a sphere rolls every way. Answer: A sphere

Shapes in Arizona

In the Arizona Academic Standards, this is unit 7 of 14 in 1st grade Math, after Measuring and before Data & Graphs.

Gradelings describes a child's practice on this unit as Beginning, Approaching, Meeting or Exceeding (Four practice steps). That reflects practice, not a report-card mark: the teacher decides the mark.

Source: Arizona Department of Education

Sample questions

A taste of this unit. In the app, questions change every time and get easier or harder to match your child.

  1. Question 1

    How many corners does this shape have?

    • 6
    • 2
    • 8

  2. Question 2

    An orange is shaped like a…

    🍊
    • sphere
    • cylinder
    • cone

  3. Question 3

    Which one is best for stacking?

    • cone
    • cube
    • sphere

  4. Question 4

    How are a ball and a can the same?

    • Both have corners
    • Both can roll
    • Both have only flat faces

  5. Question 5

    Does it roll? Sort them.

    Sort into: 🔄 Rolls · ✋ Does not roll

    • 📦box
    • 🧱brick
    • 🧊ice cube
    • ⚽soccer ball
    • 🏀basketball
    • 🎾tennis ball

  6. Question 6

    What is this shape called?

    • triangle
    • rectangle
    • circle

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