1. 4 * 5
2. 50 * 50
http://www.aaamath.com/est73ax2.htm
1.Estimate 45 x 56 using front-end.
2.Estimate 45 x 56 using rounding.
2 answers
Estimate 45 and 56 using front-end estimation
2.Estimate 45 x 56 using rounding.
2 answers