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

Study concepts, example questions & explanations for Common Core: 2nd Grade Math

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All Common Core: 2nd Grade Math Resources

7 Diagnostic Tests 217 Practice Tests Question of the Day Flashcards Learn by Concept

Example Questions

Example Question #104 : How To Add

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

Possible Answers:

3+3+3+3=12

6+2=12

4+4+4+4=12

4+3=12

3+3+3=9

Correct answer:

3+3+3+3=12

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 3+3+3+3=12

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Example Question #105 : How To Add

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

Possible Answers:

2+2=6

2+1=4

1+3=4

3+1=4

2+2=4

Correct answer:

2+2=4

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 2+2=4.

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Example Question #106 : How To Add

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

Possible Answers:

2+4=6

2+2+2=6

4+2=6

5+1=6

3+3=6

Correct answer:

2+2+2=6

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+2+2=6.

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Example Question #458 : Operations & Algebraic Thinking

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

Screen shot 2015 07 20 at 12.53.02 pm

Possible Answers:

6+2=8

4+2+2=6

5+3=8

2+2+2+2=8

4+4=8

Correct answer:

4+4=8

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 4+4=8.

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Example Question #107 : How To Add

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

Possible Answers:

10+5=15

5+3+2+5=15

5+5=10

5+5+5=15.

10+10=20

Correct answer:

5+5+5=15.

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+5+5=15.

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Example Question #108 : How To Add

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

Possible Answers:

6+6=12

4+4+4+4=12

8+4=12

4+4+4=12

6+2+4=12

Correct answer:

4+4+4=12

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 4+4+4=12.

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Example Question #111 : How To Add

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

Possible Answers:

12+12=24

4+4+4+4+4+4=24

4+4+4+4+4=20

10+10=20

4+4+4+4=20

Correct answer:

4+4+4+4+4=20

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 4+4+4+4+4=20.

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Example Question #112 : How To Add

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

Possible Answers:

2+2+2=6

4+2=6

5+1=6

3+3=6

3+3+3=6

Correct answer:

3+3=6

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+3=6.

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Example Question #111 : How To Add

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

Possible Answers:

10+6=16

4+4+4+4=16

6+10=16

8+8=16

4+4+4+4+4=16

Correct answer:

4+4+4+4=16

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 4+4+4+4=16.

Report an Error

Example Question #152 : How To Add

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

Possible Answers:

10+10=20

15+10=25

10+10+5=25

5+5+5+5=20

5+5+5+5+5=25

Correct answer:

5+5+5+5+5=25

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 5+5+5+5+5=25.

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All Common Core: 2nd Grade Math Resources

7 Diagnostic Tests 217 Practice Tests Question of the Day Flashcards Learn by Concept

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

Study concepts, example questions & explanations for Common Core: 2nd Grade Math

All Common Core: 2nd Grade Math Resources

Example Questions

Example Question #104 : How To Add

Example Question #105 : How To Add

Example Question #106 : How To Add

Example Question #458 : Operations & Algebraic Thinking

Example Question #107 : How To Add

Example Question #108 : How To Add

Example Question #111 : How To Add

Example Question #112 : How To Add

Example Question #111 : How To Add

Example Question #152 : How To Add

All Common Core: 2nd Grade Math Resources

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