Adding, Subtracting, and Multiplying Decimals

Multiplication

100

.32 x .5

What is .16

200

0.24 x 0.53

What is 0.1272

300

0.52 x 2.5

1.3

Addition

100

0.52 + 0.15

What is 0.67

200

0.752 + 1.324

What is 2.076

300

4 + 2.67

6.67

Subtraction

100

0.67 - 0.34

What is 0.33

200

9 - 5.27

3.73

300

100 - 5.72

94.28

Word Problems

100

Amy saw a scarf that cost $4.52. She decided to buy three of them.  How much money did she spend?

$13.56

200

Jon paid $2.45 for a sandwich, $1.00 for a bag of chips, and $1.50 for a soda. How much was his total?

$4.95

300

Jackie bought a shirt for $14.99. She paid with two ten dollar bills. How much change did she receive?

$5.01