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Cogito

Kindergarten Math · Chapter 8 · Lesson 1

Practice Worksheet

Naming Flat Shapes

Squares, circles, triangles, rectangles.

10 problems · about 8 minutes · K.G.A.2, K.G.B.4

NameDate

Figure — use these to answer the problems

Turn the triangle upside down. It is still a triangle.

Triangle

Straight sides

3

Corners

3

Turn it0
Figure 1

Warm-Up Review

From earlier lessons. Loosen up before the new work.

4 problems

  1. From “Ten More on the Chart”

    Ten more than 32?

    Answer

  2. From “Counting by Tens”

    Five bundles of ten. How many?

    Answer

  3. From “Counting by Ones to a Hundred”

    What comes after 49?

    Answer

  4. From “Comparing Teen Numbers”

    Which is bigger, 14 or 18?

    Answer

Warm Up

Straightforward practice. Get the method working first.

3 problems

  1. How many corners does a rectangle have?

    Answer

  2. How many sides does a square have?

    Answer

  3. How many corners does a triangle have?

    Answer

Build It Up

The same ideas with more to keep track of.

2 problems

  1. How many sides does a circle have?

    Answer

  2. Does turning a shape change its name?

    • No.
    • Yes.

Stretch Yourself

Mixed problems. Work out what kind of question it is before you start.

1 problem

  1. The Sides

    A shape has three straight sides. What is it?

    • A triangle.
    • A square.