Decimals

Add
(Line up your place values)

Subtract
(Line up your place values, add zeros when needed)

Multiply
(Number of digits after the decimal point in your equation should be the same in your answer!!)

Divide by whole number

Divide by decimal
(Get rid of decimal point by moving it to the right in both numbers!!!)

100

2.5 + 27.8 =

30.3

100

68.9 - 23.5 =

45.4

100

2.49 x 3 =

7.47

100

145.8 divided by 12 =

12.15

100

0.66 divided by 3 =

2.2

200

78.23 x 14 =

1,095.22

200

12.4 divided by 8 =

1.55

200

0.462 divided by 2 =

2.31

300

34.39 + 98.6 =

132.99

300

92 - 56.02 =

35.98

300

0.67 x 0.37 =

0.2479

300

8.14 divided by 20 =

0.407

300

84.78 divided by 0.15 =

565.2

400

0.853 x 10³=

853

400

26.48 divided by 2 =

13.24

400

13.2 divided by 0.3 =

500

289.2 + 35.20 + 62.003 =

386.403

500

300.007 - 231.9 =

68.107

500

Apples cost $0.98 per pound. If I bought 8.5 pounds of apples, how much did I pay? (Round to the nearest hundredth, you will get an answer with 3 digits after the decimal point, but remember with money, there should only be 2!)

$8.08

$8.075 is the answer you will get, round the 7 up to an 8!

500

6.9 divided by 3 =

2.3

500

0.92 divided by 0.4 =

2.3