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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Example Questions

Example Question #11 : Use Addition To Determine Number Of Objects In A Rectangular Array: Ccss.Math.Content.2.Oa.C.4

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

Possible Answers:

Correct answer:

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 

Example Question #2453 : Operations

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

Screen shot 2015 07 20 at 2.59.43 pm

Possible Answers:

Correct answer:

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  

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