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39 votes
39 votes
Explain how the number line is used to determine the sum of -3 + 7 !!

User McJoey
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1 Answer

14 votes
14 votes

Answer: Look at the explanation:

Step-by-step explanation: First, you start at -3 on the number line. Then, since we are adding 7, we would add 7 spaces to the right. That should lead us to our answer; 4. Another way how to model this is 7 + -3 or 7-3. They all equal 4. I hope this helped!

User Jfd
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