Common Core: 1st Grade Math : Working with Addition and Subtraction Equations

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

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Example Questions

Example Question #11 : Find The Missing Number In Addition And Subtraction Equations: Ccss.Math.Content.1.Oa.D.8

Fill in the blank. 

__________ 

Possible Answers:

Correct answer:

Explanation:

To find the missing piece of an addition problem, you can take the biggest number minus the smallest number. , which means .

Example Question #14 : Find The Missing Number In Addition And Subtraction Equations: Ccss.Math.Content.1.Oa.D.8

Fill in the blank. 

__________ 

Possible Answers:

Correct answer:

Explanation:

To find the missing piece of an addition problem, you can take the biggest number minus the smallest number. , which means .

Example Question #602 : Operations & Algebraic Thinking

Fill in the blank. 

__________

Possible Answers:

Correct answer:

Explanation:

To find the missing piece of an addition problem, you can take the biggest number minus the smallest number. , which means .

Example Question #21 : Find The Missing Number In Addition And Subtraction Equations: Ccss.Math.Content.1.Oa.D.8

Fill in the blank. 

__________ 

Possible Answers:

Correct answer:

Explanation:

To find the missing piece of an addition problem, you can take the biggest number minus the smallest number. , which means .

Example Question #23 : Find The Missing Number In Addition And Subtraction Equations: Ccss.Math.Content.1.Oa.D.8

Fill in the blank. 

__________ 

Possible Answers:

Correct answer:

Explanation:

To find the missing piece of an addition problem, you can take the biggest number minus the smallest number. , which means .

Example Question #24 : Find The Missing Number In Addition And Subtraction Equations: Ccss.Math.Content.1.Oa.D.8

Fill in the blank. 

__________ 

Possible Answers:

Correct answer:

Explanation:

To find the missing piece of an addition problem, you can take the biggest number minus the smallest number. , which means .

Example Question #25 : Find The Missing Number In Addition And Subtraction Equations: Ccss.Math.Content.1.Oa.D.8

Fill in the blank. 

__________ 

Possible Answers:

Correct answer:

Explanation:

To find the missing piece of an addition problem, you can take the biggest number minus the smallest number. , which means .

Example Question #26 : Find The Missing Number In Addition And Subtraction Equations: Ccss.Math.Content.1.Oa.D.8

Fill in the blank. 

__________ 

Possible Answers:

Correct answer:

Explanation:

To find the missing piece of an addition problem, you can take the biggest number minus the smallest number. , which means .

Example Question #27 : Find The Missing Number In Addition And Subtraction Equations: Ccss.Math.Content.1.Oa.D.8

Fill in the blank. 

__________ 

Possible Answers:

Correct answer:

Explanation:

To find the missing piece of an addition problem, you can take the biggest number minus the smallest number. , which means .

Example Question #28 : Find The Missing Number In Addition And Subtraction Equations: Ccss.Math.Content.1.Oa.D.8

Fill in the blank. 

__________ 

Possible Answers:

Correct answer:

Explanation:

To find the missing piece of an addition problem, you can take the biggest number minus the smallest number. , which means .

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