Asked by Anonymous

Estimate. Then record your product using partial products.

4,247 x 5 (problem 1)

(problem 2) 245 x 3

Answered by bobpursley
what is 4000x5?
what is 200x5?
what is 40x5?
what is 7x5?
add all those.

http://www.youtube.com/watch?v=htN1CDwo-VY