Asked by beth
When you add integers, why do you subtract? -9+5=-4. I do not understand why there is an addition sign. How do you know when you are suppose to subtract.
Answers
Answered by
Ms. Sue
Let's suppose you owe someone $9.00 (-9). You pay him $5.00 (+5). You'll still owe him $4.00 (-4).
This integer line may also help you visualize this problem.
http://education.smarttech.com/NR/rdonlyres/98A932F3-0E77-4C02-ADD0-04D9975ACDEA/0/NumberlineIntegers.gif
This integer line may also help you visualize this problem.
http://education.smarttech.com/NR/rdonlyres/98A932F3-0E77-4C02-ADD0-04D9975ACDEA/0/NumberlineIntegers.gif
There are no AI answers yet. The ability to request AI answers is coming soon!
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.