Use Addition to Determine Number of Objects in a Rectangular Array: CCSS.Math.Content.2.OA.C.4

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MAP 2nd Grade Math › Use Addition to Determine Number of Objects in a Rectangular Array: CCSS.Math.Content.2.OA.C.4

Questions 1 - 10
1

What is the equation that shows the sum of the squares represented by this rectangular array?

Screen shot 2015 07 20 at 12.43.39 pm

Explanation

When we count the number of squares in this picture we get . We have rows with squares in each row. Our math equation for this picture could be written as

2

What is the equation that shows the sum of the squares represented by this rectangular array?

Screen shot 2015 07 20 at 3.07.03 pm

Explanation

When we count the number of squares within the box we get . We have rows with squares in each row. Our math equation for this picture could be written as

3

What is the equation that shows the sum of the squares represented by this rectangular array?

Screen shot 2015 07 20 at 12.14.50 pm

Explanation

When we count the number of squares in this picture we get . We have rows with squares in each row. Our math equation for this set could be written as

4

What is the equation that shows the sum of the squares represented by this rectangular array?

Screen shot 2015 07 20 at 2.11.33 pm

Explanation

When we count the number of squares in this picture we get . We have rows with squares in each row. Our math equation for this picture could be written as

5

What is the equation that shows the sum of the squares represented by this rectangular array?

Screen shot 2015 07 20 at 1.14.34 pm

Explanation

When we count the number of squares in each box we get . We have rows with squares in each row. Our math equation for this picture could be written as

6

What is the equation that shows the sum of the squares represented by this rectangular array?

Screen shot 2015 07 20 at 1.04.51 pm

Explanation

When we count the number of squares in this picture we get . We have rows with squares in each row. Our math equation for this picture could be written as

7

What is the equation that shows the sum of the squares represented by this rectangular array?

Screen shot 2015 07 20 at 3.12.58 pm

Explanation

When we count the number of squares within the box we get . We have rows with squares in each row. Our math equation for this picture could be written as

8

What is the equation that shows the sum of the squares represented by this rectangular array?

Screen shot 2015 07 20 at 1.09.58 pm

Explanation

When we count the number of squares in this picture we get . We have rows with squares in each row. Our math equation for this picture could be written as

9

What is the equation that shows the sum of the squares represented by this rectangular array?

Screen shot 2015 07 20 at 12.33.14 pm

Explanation

When we count the number of squares in this picture we get . We have rows with squares in each row. Our math equation for this set could be written as

10

What is the equation that shows the sum of the squares represented by this rectangular array?

Screen shot 2015 07 20 at 1.21.36 pm

Explanation

When you count the number of squares in this picture you get . We have rows with squares in each row. Our math equation for this picture could be written as

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