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 #1291 : How To Add

Possible Answers:

Correct answer:

Explanation:

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

Example Question #2142 : Operations

Possible Answers:

Correct answer:

Explanation:

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

Example Question #371 : 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 #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

Possible Answers:

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 #2149 : Operations

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 .

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