3-Digit by 2-Digit
Round to the nearest ten and Estimate 42 X 21
40 X 20 = 800
Round to the nearest ten and Estimate 56 x 10
60 x 10 = 600
Round to the nearest ten and Estimate 38 X 72
40 X 70 = 2800
7 X _____ = 70000
1000
Round to the nearest ten and Estimate 35 X 35
40 X 40 = 1600
Round to the nearest ten and Estimate 63 X 32
60 X 30 = 1800