Common Core: 1st Grade Math : Use the Unknown-Addend to Subtract: CCSS.MATH.CONTENT.1.OA.B.4

Study concepts, example questions & explanations for Common Core: 1st Grade Math

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Example Questions

Example Question #63 : Understanding And Applying Properties Of Operations And The Relationship Between Addition And Subtraction

What can we add to  to get 

Possible Answers:

Correct answer:

Explanation:

 or as a subtraction problem, .

Example Question #64 : Understanding And Applying Properties Of Operations And The Relationship Between Addition And Subtraction

What can we add to  to get to 

Possible Answers:

Correct answer:

Explanation:

 or as a subtraction problem, .

Example Question #65 : Understanding And Applying Properties Of Operations And The Relationship Between Addition And Subtraction

What can we add to  to get to 

Possible Answers:

Correct answer:

Explanation:

 or as a subtraction problem, .

Example Question #66 : Understanding And Applying Properties Of Operations And The Relationship Between Addition And Subtraction

What can we add to  to get  

Possible Answers:

Correct answer:

Explanation:

 or as a subtraction problem, .

Example Question #67 : Understanding And Applying Properties Of Operations And The Relationship Between Addition And Subtraction

What can we add to  to get to 

Possible Answers:

Correct answer:

Explanation:

 or as a subtraction problem, .

Example Question #68 : Understanding And Applying Properties Of Operations And The Relationship Between Addition And Subtraction

What can we add to  to get to  

Possible Answers:

Correct answer:

Explanation:

 or as a subtraction problem, .

Example Question #69 : Understanding And Applying Properties Of Operations And The Relationship Between Addition And Subtraction

What can we add to  to get to  

Possible Answers:

Correct answer:

Explanation:

 or as a subtraction problem, .

Example Question #70 : Understanding And Applying Properties Of Operations And The Relationship Between Addition And Subtraction

What can we add to  to get 

Possible Answers:

Correct answer:

Explanation:

 or as a subtraction problem, .

Example Question #71 : Operations & Algebraic Thinking

What can we add to  to get to  

Possible Answers:

Correct answer:

Explanation:

 or as a subtraction problem, .

Example Question #72 : Operations & Algebraic Thinking

What can we add to  to get 

Possible Answers:

Correct answer:

Explanation:

 or as a subtraction problem, .

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