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 divided 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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