Adding Decimals
Subtracting Decimals
Multiplying Decimals
Dividing Decimals
Random
100

7.4 + 14.9

22.3

100

23.5 - 3.85

19.65

100

7.1 x 3

21.3

100

3.6 / 8

0.45

100

Which two operations do you have to line up the decimals first?

Addition and subtraction

200

3.5 + 38.9

42.4

200

31.2 - 18.2 

13

200

3.6 x 5.6

20.16

200

2 / 0.2

10

200

What number do you use to fill an empty space?

0

300

23.4 + 38.1

61.5

300

19.6 - 11

8.6

300

9.7 x 7.9

76.63

300

7.6 / 6

1.26666

300

When Multiplying and Dividing, how do you know how many digits should be behind the decimal point?

Count how many digits are behind both of the numbers (scoop method)

400

36.12 + 5.793

41.913

400

32.56 - 23.3

9.26

400

6.05 x 8.2

49.61

400

2.1 / 2

1.05

400

When Multiplying decimals, which of the two numbers goes on top when you are setting the problem up?

The number with the most digits

500

26.21 + 13.9

40.11

500

48 - 29.9

18.1

500

7.194 x 7.5

53.955

500

7.9 / 3

2.6333

500

When Dividing decimals on a calculator, which number goes into the calculator first?

The number inside the box

M
e
n
u