Integers
Adding Rational Numbers
Subtracting Rational Numbers
Multiplying Rational Numbers
Dividing Rational Numbers
100

-16 + 11

-5

100

-3.15 + (-2.25)

-5.40

100

3/11 - 8/11

-5/11

100

-5*(1/3)

-5/3 or -1 2/3

100

1/4 divided by 3/8

2/3

200

-2 - 5

-7

200

0.38 + (-12)

-11.62

200

- 4/5 - 2/3

-22/15 or -1 7/15

200

-3.2 * 5

-16

200

-20 divided by 0.5

-40

300

8 - (-9)

17

300

9/25 + (-1/5)

4/25

300

-0.06 - (-0.86)

0.8

300

-1/6 * -2/3

1/9

300

-15 divided by -5/8

24

400

5 * -6

-30

400

-5/4 + 1/12

-1 1/6

400

-5/12 - (-2/24)

-1/3

400

2.57 * -0.5

-1.285

400

-2 1/2 divided by 3/5

-25/6 or -4 1/6

500

-18 / -6

-3

500

To make a small amount of play dough, you can mix 1 cup of flour, 1/2 cup of salt and 1/4 cup of water. What is the total amount of ingredients added to make the play dough?

1 3/4 cups

500

The snowfall in Rochester, NY in the winter of 1999-2000 was 91.5 inches. Normal snowfall is about 76 inches per winter. How much more snow fell in the winter of 1999-2000 than is normal?

15.5 inches

500

Joe had a breakfast party. He invited four of his best friends. Each friend brought 3.4 cups of coffee. How much coffee did they all bring together?

13.6 cups

500

Emma bought 2 and 1/2 yards of ribbon to make bows for 4 of her friends. How much yard will she use for each ribbon?

5/8 yards