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 #2144 : Operations

Possible Answers:

Correct answer:

Explanation:

To add we count up. Start at  and count up .

Example Question #2145 : Operations

Possible Answers:

Correct answer:

Explanation:

To add we count up. Start at  and count up .

Example Question #2361 : Numbers And Operations

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Correct answer:

Explanation:

To add we count up. Start at  and count up .

Example Question #501 : Operations & Algebraic Thinking

Possible Answers:

Correct answer:

Explanation:

To add we count up. Start at  and count up .

Example Question #502 : Operations & Algebraic Thinking

Possible Answers:

Correct answer:

Explanation:

To add we count up. Start at  and count up 

Example Question #381 : Adding And Subtracting Within 20: Ccss.Math.Content.1.Oa.C.6

Possible Answers:

Correct answer:

Explanation:

To add we count up. Start at  and count up .

Example Question #401 : Adding And Subtracting Within 20

Possible Answers:

Correct answer:

Explanation:

To add we count up. Start at  and count up .

Example Question #2151 : Operations

Possible Answers:

Correct answer:

Explanation:

To add we count up. Start at  and count up .

Example Question #2152 : Operations

Possible Answers:

Correct answer:

Explanation:

To add we count up. Start at  and count up .

Example Question #1 : Understand The Equal Sign, Determine If Equations Are True Or False: Ccss.Math.Content.1.Oa.D.7

Which of the equations is TRUE?

 

 

Possible Answers:

Correct answer:

Explanation:

Both  and  equal . So these two equations equal each other. , and . Because none of these equations equal , they can’t be equal to 

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