Zero Mania
Word Problems
Adding and Subtracting Rational Numbers
Multiplying Rational Numbers
Dividing Rational Numbers
100

Find the Product

0.11 x 8

The product is 0.88

100

For part of a science experiment Andre adds 0.37 milliliters of dye to 17.5 milliliters of water. How many milliliters does the mixture contain?

17.87 milliliters

100
Add these decimals. 21.74 + 8.27
30.01
100
Multiply these decimals. 0.03 * 5.4
0.162
100

Divide these decimals.

3.72/3

1.24

200

Find the Product

0.17 x 0.8

The product is 0.136

200

Use the fact that 952 x 27 = 25,704. What is the exact product of 9.52 x 2.7?

25.704

200
Subtract these decimals. 17 - 9.54
7.46
200
Multiply these decimals. 0.7 * 2.6
1.82
200

Divide these decimals.

2.1/7

0.3
300

Find the Product

0.011 x 0.008

The product is 0.000088

300

Find the quotient using long division.

1.) 2,345/5           

469

300
Add these decimals. 6.125 + 18
24.125
300
Multiply these decimals. 0.23 * 7.05
1.6215
300

Divide these decimals.

10.71/0.7

15.3

400

Find the Product

0.027 x 0.22

The product is 0.00594

400

A wood worker wants to cut a board that is 7.826 feet long into 2 equal-length pieces. How many feet will each of the cut boards be?

3.913 feet

400

Add these decimals. 4.67 + 29.1

33.77

400
Multiply these decimals. 0.5 * 0.75
0.375
400

Divide these decimals.

1.72/0.2

8.6

500

Find the Product

0.123 x 0.05

The product is 0.00615

500

One way to compute a 15% tip for a bill is to multiply it by 0.15. A restaurant bill was $63.54. Calculate the tip.

About $9.53 tip

500
Subtract these decimals. 5 - 3.11
1.89
500

Multiply these decimals. 4.45 * 5.35

23.8075

500

Divide these decimals.

2.54/0.2

12.7

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