Quiz One

Part One: Integer Operations

Calculate the following

1.) [math]-\frac{8}{4}[/math]

12 -2 -12 -4 2

2.) -8 - 4

-12 2 12 -4 -2

3.) [math]\frac{-8}{-4}[/math]

-4 12 -12 2 -2

4.) 8 - (-4)

12 -4 -2 -12 2

5.) 4 - 8

12 -2 -12 -4 2

6.) Which situation below could the expression -10 - 24 describe?

In a science experiment, Wendy increases the temperature of a sample from -10 degrees to 24 degrees. Micah's bank account has $10 and she pays a bill for $24. Kyle was 10 feet underwater, and dove down another 24 feet. Diego's company loses $10 each day for 24 days.

Part Two: Fraction and Decimal Word Problems

7.) Nazareth's Student Council has a goal to fundraise $100.

a.) They have raised 3/4 of their goal. How much money have they already fundraised?

b.) The Student Council gets a donation of $19.75. Have they made their goal yet? Why or why not?

8.) Erika's plan grows 2/5 of an inch each month. How many inches has it grown after 5 months?

2.5 inches 0.4 inches 2 inches 10 inches 5 inches

Part Three: Ratios

9.) Jess has 4 pets. Melissa has twice as many pets as Jess. [br]Find the ratio of Jess's pets and Melissa's pets.

2:1 8:1 4:8 8:4

10.) Maureen is mixing pain to create her favorite shade of purple. She uses a ratio of number of gallons of red paint to blue paint to help create her favorite color.[br][br]Use the information in the table below to identify what numbers are missing from the table for A and B.[br][br][br]Gallons of Red Paint Gallons of Blue Paint[br] 7 2[br] A 6[br] 49 B

Part Four: Unit Rates

11.) Which one has the best unit price?

3 boxes of cereal for $9.00 Paying $10 for 4 boxes of cereal A 5 for $13 deal on boxes of cereal 7 boxes of cereal on sale for $21

12.) Garrison drove 216 miles on 9 gallons of gas. Derick drove 182 miles on 7 gallons of gas. Who had better gas mileage?