Common Core: 1st Grade Math : Operations & Algebraic Thinking

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

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Example Questions

Example Question #51 : 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 #52 : 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 #53 : 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 #54 : 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 #55 : 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 #56 : 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 #41 : Use The Unknown Addend To Subtract: Ccss.Math.Content.1.Oa.B.4

What can we add to  to get to  

Possible Answers:

Correct answer:

Explanation:

 or as a subtraction problem, .

Example Question #58 : 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 #59 : 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 #60 : 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, .

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