add decimals
subtract decimals
multiply decimals
divide decimals
powers of ten
100

33.3 + 12.4

45.7

100

46.5 - 22.3

24.2

100

3 x 0.5

1.5

100

0.6 divided by 6

0.1

100

8.5 divided by 10

.85

200

43.56 + 2.45 =

46.01

200

56.2 - 35.8

20.4

200

4 x 2.4

9.6

200

1.8 divided by 6

0.3

200

1.28 mutilpied by 100

.128

300

27.06 + 3.4

30.46

300

13.40 - 9.8

3.6

300

3 x 0.005

0.015

300

5.4 divided by 2

2.7

300

9.969 divided by 100

0.09969

400

13.40 + 9.8

23.20

400

46.5 - 3.46

43.04

400
6 x 12.5
75
400
7.2 divided by 3
2.4
400
6.14 divided by 10,000
0.000614
500

Mr. Becker drove 11.3 km to the dentist, 7.5 km to the library, and 5.8 km back home. How far did he travel?

24.6 km

500

If a 10-metre piece of electrical tape has 0.037 metres cut from it, then what is the new length of the tape?

9.963 metres

500

8 x 30.6

244.8

500

1.17 divided by 3

.39

500

79.5 x 10,000

795,000

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