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 #1 : Use The Unknown Addend To Subtract: Ccss.Math.Content.1.Oa.B.4

What can we add to  to get

 

Possible Answers:

Correct answer:

Explanation:

  or as a subtraction problem, .

Example Question #2 : 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 #3 : Use The Unknown Addend To Subtract: Ccss.Math.Content.1.Oa.B.4

What can we add to  to get 

Possible Answers:

Correct answer:

Explanation:

 or as a subtraction problem, .

Example Question #4 : 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 #5 : 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 #6 : 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 #18 : 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 #19 : 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 #7 : Use The Unknown Addend To Subtract: Ccss.Math.Content.1.Oa.B.4

What can we add to  to get 

 

Possible Answers:

Correct answer:

Explanation:

 or as a subtraction problem, .

Example Question #22 : Common Core Math: Grade 1

What can we add to  to get to  

 

Possible Answers:

Correct answer:

Explanation:

 or as a subtraction problem, .

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