Adding Rational Numbers
Subtracting Rational Numbers
Multiplying Rational Numbers
Dividing Rational Numbers
Unit 3 Questions
100
3.15 + 2.25
What is 5.40?
100
8/11 - 3/11
What is 5/11 ?
100
5(1/3)
What is 1 and 2/3 ?
100
1/4 divided by 3/8
What is 2/3?
100

What is this fraction in decimal form? 

3/8

0.375

200
0.38 + (-1.2)
What is -0.82?
200
- 4/13 - 8/13
What is -12/13 ?
200
-3.2 x 5
What is -16?
200
-20 divided by 0.5
What is -40?
200

Which one does not belong as a repeating decimal

a)0.44...

b)0.234234234234

c)1/3

b)0.234234234234

300
9/25 + (-17/25)
What is -8/25?
300
-0.06 - (-0.86)
What is 0.8 ?
300
-1/6 (-2/3)
What is 1/9?
300
-15 divided by -5/8
What is 24?
300

Which step would I take first in this problem?

45(3-5)/2(50)=

a) Parenthesis

b)Exponents

c) Multiplication or division

d)Adding or subtracting

a) Parenthesis

400
-5/12 + 1/12
What is -1/3?
400
-10/24 - (-2/24)
What is -1/3 ?
400

What is the value of this expression?

 1.5(−2.4+(−5.3)

-11.55

400
Emma bought 2 and 1/2 yards of cording for the trim around the edge of a square pillow. How much will she use for each side of the pillow?
What is 5/8 yard?
400

The water level in a lake was monitored and was noted to have changed −11.5 inches in one year. The next year it was noted to have changed −25 inches.

What was the total change in the water level over the two years?

-36.5 inches in total

500
To make a small amount of play dough, you can mix 1 cup of flour, 1/2 cup of salt and 1/2 cup of water. What is the total amount of ingredients added to make the play dough?
What is 2 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?
What is 15.5 inches?
500
Travis painted for 6 and 2/3 hours. He received $27 an hour for his work. How much was Travis paid for doing this painting job?
What is $180?
500

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?

500

On a cold day, the temperature in a certain city changed −14.4°F over 9.6 hours.

What was the average change in temperature per hour?

-1.5

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