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Multiplying and Dividing by 10, 100, and 1000
Multiplication Estimation
Multiplying Decimal Numbers
(Exact Answer)
Division Estimation
Dividing Decimal Numbers
(Exact Answer)
100
0.45 x 10
What is 4.5
100
5.86 x 52
What is 300
100
5.86 x 5
What is 29.3 or 29.30
100
62.7 / 8
What is 8
100
51.2 / 8
What is 6.4
200
148.3 / 100
What is 1.483
200
2.03 x 6
What is 12
200
25 x 1.63
What is 40.75
200
40.2 / 7
What is 6
200
51.6 / 43
What is 1.2
300
1.23 x 1000
What is 1230
300
7.98 x 6
What is 48
300
2.4 x 3.67
What is 8.808
300
267.4 / 69
What is 4
300
0.081 / 0.9
What is 0.09 or .09
400
84.3 / 1000
What is 0.0843
400
24 x 3.67
What is 100 or 80
400
3.42 x 8.5
What is 29.070 or 29.07
400
1527.33 / 43
What is 40
400
22.22 / 2.2
What is 10.1
500
43 / 10
What is 4.3
500
19 x 9.06
What is 180 or 200
500
0.23 x 0.32
What is 0.0736 or .0736
500
500 / 73
What is 7
500
13.65 / 0.42
What is 32.5