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

varsity tutors app store varsity tutors android store

Example Questions

Example Question #53 : Operations & Algebraic Thinking

What can we add to  to get to 

Possible Answers:

Correct answer:

Explanation:

 or as a subtraction problem, .

Example Question #54 : Operations & Algebraic Thinking

What can we add to  to get  

Possible Answers:

Correct answer:

Explanation:

 or as a subtraction problem, .

Example Question #55 : Operations & Algebraic Thinking

What can we add to  to get to 

Possible Answers:

Correct answer:

Explanation:

 or as a subtraction problem, .

Example Question #56 : Operations & Algebraic Thinking

What can we add to  to get to  

Possible Answers:

Correct answer:

Explanation:

 or as a subtraction problem, .

Example Question #57 : Operations & Algebraic Thinking

What can we add to  to get to  

Possible Answers:

Correct answer:

Explanation:

 or as a subtraction problem, .

Example Question #58 : Operations & Algebraic Thinking

What can we add to  to get 

Possible Answers:

Correct answer:

Explanation:

 or as a subtraction problem, .

Example Question #59 : Operations & Algebraic Thinking

What can we add to  to get to  

Possible Answers:

Correct answer:

Explanation:

 or as a subtraction problem, .

Example Question #60 : Operations & Algebraic Thinking

What can we add to  to get 

Possible Answers:

Correct answer:

Explanation:

 or as a subtraction problem, .

Example Question #61 : 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 #62 : 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, .

Learning Tools by Varsity Tutors