Asked by KG

Estimate each of the following and then use a calculator to find the actual answer:
a: 343+ -42 - 402
b: -1992 + 3005 - 497
c: 992 - -10,003 - 101
d: -301 - -1303 + 4993
Answered by Ms. Sue
What are your estimates?

343+ -42 - 402
My estimate is -102
Actual answer = -101

I'll be glad to check your answers.
Answered by KG
That is what I had for the first one. Wanted to make sure I was doing it correctly.
Answered by Ms. Sue
Don't worry too much if your estimate is far different from the actual answer. We learn by making mistakes. :-)
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