Asked by jp

How do you find 81 - 16 using mental math?
Answered by Ms. Sue
I'd round the numbers to 80 - 15

Answered by Delilah
Just do the problem in your head, don't use any outside sources like a calculator or a paper/pencil. I would also do like Ms. Sue said - round 81 to 80 and 16 to 15.
Answered by Tatiana
Your butt plus my bütt ID thesse nuts
Answered by Heba
Explain it tell how to find 81-16 using mental maht
Answered by thomas
tell how to find 81-16 using mental math
Answered by Anonymous
81-16=
Answered by jojooj
oml
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