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Sara used a number line to add. She started counting at 10, and then she counted until she was over the number –4 on the number line. If Sara is modeling addition, what number did she have to add to 10?

Explain and show your reasoning.

User Creyke
by
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2 Answers

2 votes
She added a -14 because if you have 10 and you add a -14, you will get -4
User Keith Knauber
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5.0k points
3 votes

Answer:

-14

Explanation:

User Raj Aggrawal
by
5.0k points
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