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 #351 : Operations & Algebraic Thinking

Possible Answers:

Correct answer:

Explanation:

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

Example Question #2211 : Numbers And Operations

Possible Answers:

Correct answer:

Explanation:

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

Example Question #263 : Adding And Subtracting Within 20

Possible Answers:

Correct answer:

Explanation:

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

Example Question #361 : Operations & Algebraic Thinking

Possible Answers:

Correct answer:

Explanation:

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

Example Question #361 : Common Core Math: Grade 1

Possible Answers:

Correct answer:

Explanation:

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

Example Question #2221 : Numbers And Operations

Possible Answers:

Correct answer:

Explanation:

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

Example Question #361 : Operations & Algebraic Thinking

Possible Answers:

Correct answer:

Explanation:

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

Example Question #2221 : Numbers And Operations

Possible Answers:

Correct answer:

Explanation:

To add we count up. Start at  and count up 

Example Question #361 : Operations & Algebraic Thinking

Possible Answers:

Correct answer:

Explanation:

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

Example Question #362 : Operations & Algebraic Thinking

Possible Answers:

Correct answer:

Explanation:

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

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