Decimal Operations

Addition

100

2.3 + 4.5 = ?

6.8

200

12.46 + 3.8 = ? 

16.26

300

7.205 + 4.67 = ? 

11.875

400

45.36 + 7.089 = ? 

52.439

500

123.478 + 56.92 + 8.4 = ? 

188.798

Subtraction

100

5.6 - 2.3 = ?

3.3

200

10.4 - 3.87 = ? 

6.53

300

24.65 - 7.842 = ? 

16.808

400

100.00 - 47.568 = ? 

52.432

500

300.25 - 198.764 - 0.8 = ?

100.686

Multiplication

100

0.4 x 6 = ?

2.4

200

1.2 x 3.5 = ?

4.2

300

4.2 x 0.36 = ? 

1.512

400

12.5 x 0.48 = ? 

6

500

0.375 x 5.42 = ? 

2.0325 

Division

100

4.8 ÷ 2 = ?

2.4

200

7.5 ÷ 0.5 = ? 

15

300

6.48 ÷ 0.3 = ?

21.6

400

15.12 ÷ 0.24 = ? 

63

500

0.936 ÷ 0.078 = ? 

12

Miscellaneous

100

You buy a soda for $1.25 and a candy bar for $0.75. What’s the total cost?

$2.00

200

A rope is 12.5 m long. You cut off 3.75 m. How much rope is left?

8.75 m

300

Each notebook costs $2.45. How much do 4 notebooks cost?

$9.80

400

You spent $45.60 on 8 movie tickets. How much did each ticket cost?

$5.70

500

You have $50. You buy 3 shirts for $12.75 each and a pair of socks for $3.50. How much money do you have left?

$8.25