Unit 1B Test ReviewMultiplying and Dividing Rational Numbers

Get Ready• Grab a white board, marker, and eraser • Take out a clean sheet of paper and number it

#1-20 (This is where you will record the number of questions you get right)– Put a check next to the number if you get it correct

– Put a X next to the number if you get it wrong

Learning Target

I will determine my strengths and

weaknesses for my Unit 1B Test tomorrow.

Question 1

Multiply.

8

5

3

2

Question 2Divide.

4

50.20

A) 5.125B) 0.5125C) 5.11D) 82

Question 3Select the problem and solution represented in the diagram below.

a) 5 (-2) = 10b) -5 · (2) = -10c) 5 · (-2) = -10d) -5 · (2) = 10

Question 4

Eunice withdraws $15.00 from her savings account each month. What integer represents the net effect on

her balance after 5 months?

a) $3b) -$3 c)$75d)-$75

Question 5

Which of the following shows a correct application of the distributive property?

Question 6A diver is swimming at sea level (0), when he suddenly sees a shark and quickly dives under

water. He dives 5 meters in one second. He continues to descend for 11 seconds. Which

integer represents his final position?

a) -16b)16c) -55d)55

Question 7Brittney is running on a track that is of a mile

long. So far she has run of the way around the whole track. How far has she run so far?

a)

b)

c) -

Question 8

a) -2b) 3c) -3d) 2

3

11

4

12

Question 9It took a submarine 4 seconds to drop 48 feet below the surface of the water. If it descended at a constant rate, what was the change in the submarine’s elevation each second?

A) -192 feet per secondB) -12 feet per secondC) 12 feet per secondD) 192 feet per second

Question 10

3

13

3

22

Question 11At the beginning of the month, Leslie’s lunch account has a balance of $50.40. If lunch costs $3.15 per day, for how many days will Leslie be able to purchase lunch before her account runs out of money?

a) 14 daysb) 15 daysc) 16 daysd) 17 days

Question 12

4

3

2

12

A.

B. 2

Question 13Bob ate 1/8 of a pie after dinner. Which decimal is equivalent to - ?

A. -1.8B. 0.18C. -0.125D. 0.125

Question 14

Which number below represents a repeating decimal?

Question 15

Solve. -25 ÷ 3 =

Question 16In Antarctica on a certain day, the temperature was -90° C. On the same day in Russia, the temperature was -30° C. How many times colder was it in Antarctica than in Russia?

A) -93B) -3C) 3D) -2, 700

Question 17At the fall festival the tennis team is selling hamburgers for $2.00, hotdogs for $1.50 and drinks for $1.00. Half of the money raised will go towards the purchase of team uniforms. If they sell 31 hamburgers, 34 hotdogs, and 65 drinks, how much money will they have to put towards the purchase of uniforms?

A) $178B) $79C) $89D) $130

Question 18A recipe for muffins needs ¾ of a cup of milk.

You are making ¼ of the recipe. How much milk do you need?

A)

B)

C)

D)

Question 19Marley is making hamburgers for the entire 7th grade. He has 50 pounds of ground beef. How many pound hamburgers can he make using all the ground beef?

A) 153B) 23C) 209D) 151

Question 20 (Short Answer)

Tony slipped during his first jump so he only jumped 3 feet. He jumped three times that distance on his second jump. His third jump was 12 feet. Calculate the distance of his second jump.

Short Answer : 9

Connect It!

Take out your study guide and circle the questions you missed “X” on the practice test.

You have now identified your weaknesses “X” and your strengths “ “ by taking the practice test. This should help guide your studying time tonight!