Addition
Subtraction
Multiplication
Division
Mixed Review
100

0.95 + 5.09 =

6.04

100

5.68 - 4.23 =

1.45

100

8 x 6.5 =

52

100

13.8 / 3 =

4.6

100

For which 2 operations (addition, subtraction, multiplication, division) do you need to line up the decimal points?

Addition and Subtraction

200

11.27 + 9.4 =

20.67

200

67.75 - 8.1 =

59.65

200

4.2 x 1.8 =

7.56

200

33.6 / 5 =

6.72

200

For which operations (addition, subtraction, multiplication, division) do you need to count the number of digits after the decimal points?

Multiplication

300

9.6 + 0.18 =

9.78

300

43.03 - 6.91 =

36.12

300

3.7 x 0.8 =

2.96

300

156 / 5 =

31.2

300

What digit do you need to add to the dividend (after the decimal point) when there are no more numbers to bring down?

0

400

1.23 + 8

9.23

400

12 - 4.61 =

7.39

400

0.07 x 0.4

0.028

400

122 / 6.1

20

400

When multiplying by a decimal, which way do you move the decimal point when placing it in your answer?

To the left

500

8 + 2.45

10.45

500

62 - 48.6

13.4

500

.23 x 6.7

1.541

500

118 / 5.9

20

500

What's the rule when you have a decimal in a divisor? 

Make the divisor a whole number. 

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