Lo uses mental math to compute 7 times 92. She thinks (7 times 90)+(7 times 2). Which property does Lo use to mentally compute 7 times 92?

Question

asked Feb 20, 2018 9.2k views

1 Answer

Michael Samoylov · Answer 1 · 2018-02-27T03:03:49+0000

Associative property is the answer

* remember to do whats in parenthesis first

(90 x 7) = 630 and (7 x 2) = 14

add them both up

answer: 644