Common Core: 1st Grade Math : Adding and Subtracting Within 20

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

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Example Questions

Example Question #578 : How To Subtract

Possible Answers:

Correct answer:

Explanation:

To subtract we can count backwards. Start at  and count back .

Example Question #579 : How To Subtract

Possible Answers:

Correct answer:

Explanation:

To subtract we can count backwards. Start at  and count back .

Example Question #31 : Adding And Subtracting Within 20

Possible Answers:

Correct answer:

Explanation:

To subtract we can count backwards. Start at  and count back .

Example Question #793 : Numbers And Operations

Possible Answers:

Correct answer:

Explanation:

To subtract we can count backwards. Start at  and count back .

Example Question #131 : Operations & Algebraic Thinking

Possible Answers:

Correct answer:

Explanation:

To subtract we can count backwards. Start at  and count back .

Example Question #132 : Operations & Algebraic Thinking

Possible Answers:

Correct answer:

Explanation:

To subtract we can count backwards. Start at  and count back .

Example Question #801 : Ssat Elementary Level Quantitative (Math)

Possible Answers:

Correct answer:

Explanation:

To subtract we can count backwards. Start at  and count back .

Example Question #802 : Ssat Elementary Level Quantitative (Math)

Possible Answers:

Correct answer:

Explanation:

To subtract we can count backwards. Start at  and count back .

Example Question #135 : Operations & Algebraic Thinking

Possible Answers:

Correct answer:

Explanation:

To subtract we can count backwards. Start at  and count back .

Example Question #132 : Operations & Algebraic Thinking

Possible Answers:

Correct answer:

Explanation:

To subtract we can count backwards. Start at  and count back .

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