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Cogito

Grade 2 Math · Chapter 6 · Lesson 5

Practice Worksheet

Writing the Equation

Turn an array into a number sentence.

10 problems · about 12 minutes · 2.OA.C.4

NameDate

Figure — use these to answer the problems

Count the addends in the sentence and compare with the rows.

3 + 3 + 3 + 3 = 12

Rows4
In each row3
Figure 1

Warm-Up Review

From earlier lessons. Loosen up before the new work.

3 problems

  1. From “Rows and Columns”

    3 rows of 5. How many in all?

    Answer

  2. From “Equal Groups”

    5 groups of 4. How many in all?

    Answer

  3. From “Two Equal Addends”

    14 = ? + ? What is each part?

    Answer

Warm Up

Straightforward practice. Get the method working first.

3 problems

  1. 3 rows of 4. What is the total?

    Answer

  2. In the equation for an array, how many addends are there?

    • One for each row.
    • One for every object.

  3. 4 rows of 5. What is the total?

    Answer

Build It Up

The same ideas with more to keep track of.

1 problem

  1. 2 rows of 3. How many addends in the equation?

    Answer

Stretch Yourself

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

3 problems

  1. 5 rows of 5. What is the total?

    Answer

  2. The Stickers

    A sheet has 3 rows of 5 stickers. How many addends are in its equation?

    Answer

  3. The Total

    What is the total for 3 rows of 5?

    Answerstickers