Operations With Decimals

Adding with Decimals

100

2.4 + 3.9

What is 6.3

200

15.6 + 17.98

What is 33.58

300

36.1658 + 204.12

What is 240.2858

400

112 + 52.987

What is 164.987

500

1287.621 + 599.34

What is 1886.961

Subtracting with Decimals

100

6.3 - 5.1

What is 1.2

200

25.18 - 13.07

What is 12.11

300

121.6 - 90.75

What is 30.85

400

500.62 - 389.917

What is 110.703

500

41 - 25.647

What is 15.353

Multiplying with Decimals

100

7.8 x 5

What is 39.0 or 39

200

6.6 x 3.2

What is 21.12

300

17.84 x 2.7

What is 47.168

400

19 x 23.08

What is 438.52

500

261.4 x 70.3

What is 18,376.42

Dividing With Decimals

100

9.6 / 3

What is 3.2

200

21.6 / 0.4

What is 54

300

0.427 / 0.5

What is 0.854

400

0.5135 / 6.5

What is 0.079

500

0.5103 / 0.063

What is 8.1?

Math Facts

100

For these two operations I drop the decimals straight down for my answer.

What is addition and subtraction

200

For this operation I need to move my decimal before I start.

What is division

300

For this operation I need as many decimal places in my answer as there are in my problem.

What is multiplication

400

I am what you call the numbers that get multiplied in a problem.

What is a factor

500

I am the number that must be changed to a whole number in order to divide with decimals

What is the divisor