Integers
Adding Rational Numbers
Subtracting Rational Numbers
Word Problems
Terminating or Repeating?
100

-9 + -8

-17

100

-13.4 + 8.6

-4.8

100

-3.7 - 14.9

-18.6

100

Hannah writes a check for $45.50. The next day she deposits $60.00 into her checking account. What is the overall increase or decrease to the account balance?

The account balance will increase by $14.50.

100

Write as a decimal.. terminating or repeating?

3/5

0.6

Terminating

200

-8 - (-4)

-4

200

-5 1/3 + 8 2/3

3 1/3

200

7 3/8 - (-2.125)

9 1/2

200

Tiana spent $5.25 on craft supplies to make bracelets. On Monday, she made $3.75 off of her bracelets. On Tuesday, she sold an additional $4.50 worth of bracelets. What was Tiana's overall profit or loss?

Tiana earned a profit of $3.00.

200

Write as a decimal.. terminating or repeating?

7/9

0.777...

Repeating

300

-5 x 6

-30

300

-42.90 + 2 2/10

-40.7

300

5 1/7 - (-3 3/14)

6 5/14

300

A submarine submerged at a depth of -34.27 meters and dives an additional 6.7 meters. What is the new depth of the submarine?

The submarine is -40.97 meters.
300

Write as a decimal.. terminating or repeating?

9/20

0.45

Terminating

400

(-5)(2)(-1)(-3)

-30

400

-12 7/8 + 2.5

-10 3/8

400

5 1/2 - 14.78

-9.28

400

The temperature on a thermometer on Monday was 33.5 degrees. The temperature on Thursday was 55.25 degrees less than the temperature on Monday. What was the temperature on Tuesday?

The temperature on Tuesday was 21.75 degrees.

400

Write as a decimal.. terminating or repeating?

3 2/3

3.6666....

Repeating

500

(-3)(-2)(4)

24

500

-8.67 + 7.2 + 1 3/4

0.28

500

-5 5/6 - (-1 2/3)

-4 1/6

500

During the hottest week of the summer, Muskrat River was 5/6 foot below normal. The following week, the level was 1/3 foot below normal. What was the overall change in the water level?

The water level increased by 1/2 foot.

500

Write as a decimal.. terminating or repeating?

12 7/8

12.875

Terminating