Finding Patterns
Estimating
Decimal by 1-digit whole number
Decimal by 2-digit whole number
Decimal by a Decimal
100

134.2 divided by 10

13.42

100

8 divided by 0.94 is about

8 divided by 1 = 8

100

7.5 divided by 5

1.5

100

28.5 divided by 15

1.9

100

1.25 divided by 0.25

5

200

7.7 divided by 101

0.77

200

23.8 divided by 7.9 is about

24 divided by 8 = 3

200

1.76 divided by 8

0.22

200

27.3 divided by 13

2.1

200

3.2 divided by 0.8

4

300

325.4 divided by 102

3.254

300

47.3 divided by 7.7 is about


49 divided by 7 = 7

300

2.58 divided by 3

0.86

300

73.5 divided by 21

3.5

300

2.56 divided by 0.04

64

400

273 divided by 103

0.273

400

91.02 divided by 5.9 is about

90 divided by 5 = 18

400

2.38 divided by 7

0.34

400

247.5 divided by 50

4.95

400

182.8 divided by 0.1

1,828

500

723.9 divided by 100

723.9 (remember any number to the 0 power equals 1)

500

154.8 divided by 14.72 is about

150 divided by 15 = 10

500

5.36 divided by 2

2.68

500

304.75 divided by 53

5.75

500

56.8 divided by 0.8 

71

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