Adding, Subtracting, Multiplying, and Dividing Decimals!

Multiplication

100

3.32 x 1.5

4.980 or 4.98

200

5.24 x 2.3

12.029

300

6.23 x 2.5

15.575

400

15.62 x 0.33

What is 5.0646

500

543 x 3.2

What is 1,743.6

Division

100

45.05 / 5

9.01

200

 35.45 / 5

7.09

300

63.5 /5

12.7

400

35.49 / 7

What is 5.07

500

5.78 / 4

1.445

Addition

100

0.52 + 0.15

What is 0.67

200

0.752 + 1.324

What is 2.076

300

1.52 + 2.15

What is 3.67

400

15.30 + 2.57

What is 17.87

500

3.45 + 235.3

What is 238.75

Subtraction

100

0.67 - 0 .34

What is 0.33

200

1.92 - 0.54

What is 1.38

300

52.31 - 9.15

What is 43.16

400

207.2 - 54.68

What is 152.52

500

62.557 - 59.324

What is 3.233

worded problem

100

add up charges on a bill $3.75 + $16.50  

$ 20.25

200

check change $100 – $65.25

$ 34.75

300

find the total length of material required 3.275m + 2.5m.

5.775 m

400

work out the total cost of 35 litres of fuel costing $2.13 per litre.

74.55 litres

500

work out the cost of electricity per week from an electricity bill of $1363.05 for a quarter (12 weeks)

113.5875