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+/- Rational Numbers
Multiplying Rational Numbers
Dividing Rational Numbers
Word Problems
Decimals
1

8/11 - 1 3/11

What is -6/11 ?

1
5(8.74)
What is 43.7 ?
1

54/(-6)

What is -9 ?

1

Claire's monthly bank statement showed the following deposits and withdrawals:

−$12.83, $63.55, $65.27, −$98.99, −$85.80

If Claire's balance in the account was $50.68 at the beginning of the month, what was the account balance at the end of the month?

What is -$18.12 ?

1

Name type of decimal that represents the following:

1/2

What is terminating?

1/2 = 0.5

2

-.38 - 1.2

What is -1.58?

2
-3.2 x 5
What is -16?
2
-20 divided by 0.5
What is -40?
2

From midnight to 6:00 am, the temperature rose 1.55°C each hour. If the temperature at 6:00 am was 4.3°C, what was the temperature at midnight?

What is -5oC ?

2

Name type of decimal that represents the following:


1/3

What is repeating decimal

1/3 = 0.3333.....

3
-0.06 - (-0.86)
What is 0.8 ?
3

-3.2(-.4)

What is 1.28 ?

3

-16 divided by 0.08

What is -200 ?

3

Carter's account has gone into overdraft. His balance is $-43.3. To get back to a positive balance, he plans to deposit money at a steady rate of $24.05 per week. How much will be in his account after 7 weeks?

What is $125.05 ?

3

Name the type of decimal that represents the following:


5/8

What is terminating?

5/8 = 0.625

4

-10/24 + (2/24)

What is -1/3 ?

4

Evaluate 5 2/5(x) for x = -6

What is -32.4 or -32 2/5?

4

3 5/8 divided by -3/7

What is -8 11/24 ?

4

A scientist uses a submarine to study ocean life.

  • She begins 161 feet below sea level.
  • After traveling down for 6 seconds, she's 256 feet below sea level.

Find the rate of change in the submarine's elevation in feet per second. Round your answer to the nearest tenth.

What is -15.8 ft/s ?

4
Name the difference between terminating and repeating decimals.

Terminating stops and repeating has a repeated pattern.

5
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?
What is 15.5 inches?
5

Travis traveled 26.25 miles in 7 1/2 hours. How far did he travel per hour if he maintained a constant rate of speed?

What is 3.5 or 3 1/2 mph?

5
Sean has a loan of $8804.46 including interest. He makes payments of $209.63 each month on the simple interest loan. How many months will it take for Sean to repay his loan?
What is 42 months?
5

Damian spends a winter day recording the temperature once every three hours for science class. At 9 am, the temperature was -6°F. Between 9am and noon, the temperature rose 1.9°F. Between noon and 3pm, the temperature went down 6.9°F. Between 3pm and 6pm, the temperature went down 11.1°F. What was the temperature at 6pm?

What is -22.1oF ?

5

Give an example of a fraction that would be repeating.

Answers will vary