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Cogito

Grade 3 Math · Chapter 1 · Lesson 1

Practice Worksheet

Equal Groups and Multiplication

A short way to write repeated addition.

8 problems · about 12 minutes · 3.OA.A.1

NameDate

Figure — use these to answer the problems

Each row is a group. Compare the two sentences underneath.

4 + 4 + 4 = 12

3 × 4 = 12

How many groups3
How many in each4
Figure 1

Warm Up

Straightforward practice. Get the method working first.

4 problems

  1. 4 groups of 5. What is the product?

    Answer

  2. What does multiplication do?

    • Adds equal groups the short way.
    • Adds any numbers together.

  3. 3 groups of 5. What is the product?

    Answer

  4. 2 groups of 8. What is the product?

    Answer

Build It Up

The same ideas with more to keep track of.

2 problems

  1. In 7 × 4, how many groups are there?

    Answer

  2. In 7 × 4, how many are in each group?

    Answer

Stretch Yourself

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

2 problems

  1. The Bike Rack

    6 bicycles are parked. Each has 2 wheels. Write this as a multiplication and solve it.

    Answerwheels

  2. The Egg Boxes

    4 boxes each hold 6 eggs. How many eggs are there?

    Answereggs