Unit 6.3 Review

Multiplying Fractions and Decimals

Dividing Fractions

Dividing Decimals

Add and Subtract Integers

Multiply and Divide Integers

100

The weight of one serving of trail mix is 2.5 ounces. What is the total weight if there are 22.5 bags of trail mix?

a. 11.5

b. 25.0

c. 56.25

d. 9.0

c. 56.25

100

A chemistry teacher has 18 boxes of baking soda for students to use in an experiment. If each student will use of a box of baking soda, how many students can perform the experiment?

a. 27

b. 12

c. 54

d. 23

a. 27

100

Alice earned $452.64 for 12 hours of work in one week. How much does she earn per hour?

a. $37.72

b. $26.51

c. $41.66

d. $16.75

a. $37.72

100

Nathan threw each of 4 beanbags at a target and scored points based on where the beanbags landed. The results of Nathan’s beanbag throws are shown in the table.

Nathan’s Results

Beanbag Throw

Points Scored

What was the total number of points scored by Nathan in his 4 throws?

a. -6

b. -4

c. 2

d. none of these

100

Which equation is NOT true?

a. -4 + (-7) = -7

b. -8 (2) = -16

c. 3 - (-5) = 8

d. -12 ÷ (-3) = -4

200

Emiline earns $6.50 for each hour of work as a babysitter. How much will she earn for working 5.5 hours as a babysitter?

a. $12.00

b. $35.75

c. $33.55

d. $30.25

b. $35.75

200

What is the value of 4/15 ÷ 2/3?

a. 8/45

b. 14/15

c. 5/2

d. 2/5

200

The weight of one serving of trail mix is 2.5 ounces. How many servings are there in 22.5 ounces of trail mix?

a. 11.5

b. 25.0

c. 56.25

d. 9.0

200

A team of four players competed in a golf contest. The names and scores of the players on the team are shown in the table. The team’s score is the sum of all the scores in the table.

Golf

Scores

Brett −2

Elliott +3

Lin −4

Tyrone −1

What is the team’s score?

a. 10

b. - 10

c. -4

d. not here

c. -4

200

Samantha owns shares of a certain stock. If she sells off 6 shares each month for a year, find the change in the number of shares of stocks he owns.

a. -36 shares

b. -48 shares

c. - 72 shares

d. -96 shares

c. - 72 shares

300

A baby weighed 7.25 lb at birth. At the end of 8 months, the baby weighed (2.5) times its birth weight. How many pounds did the baby weigh at the end of 8 months?

a. 14.5 lb

b. 9.75 lb

c. 18.125 lb

d. 12.125 lb

c. 18.125 lb

300

Which expression can be used to find the value of

a. 3/2 X 8/1

b. 2/3 X 8/1

c. 2/3 x 1/8

d. 3/2 x 1/8

a. 3/2 X 8/1

300

A group of 4 friends paid a total of $50.24 for tickets to a museum. Each friend paid the same amount for a ticket.

How much did each friend pay for a ticket to the museum?

a. $200.96

b. $10.01

c. $12.01

d. $12.56

300

Hassan used a gift card to buy a pair of jeans for $30 and 2 pairs of socks for $7 per pair. The expression shown represents the total change in the balance of the gift card in dollars.

What integer represents the total change in the value of the gift card in dollars?

a. -35

b. -16

c. -196

d. - 44

300

The number of employees at a company declined by 84 people in a 6-year period of time. Find the average change in the number of employees each year.

a. lost 12 employees each year

b. lost 14 employees each year

c. lost 8 employees each year

d. lost 21 employees each year

b. lost 14 employees each year

400

Determine whether the value of each expression is greater than 25 or less than 25.

1. 25 x 12/13

2. 25 x 15/7

3. 25 x 98/25

4. 25 x 100/181

Greater than 25

2. 25 x 15/7

3. 25 x 98/25

Less than 25

1. 25 x 12/13

4. 25 x 100/181

400

Which expression is equivalent to ?

a. 1/6 x 2/5

b. 6 x 5/2

c. 1/6 ÷ 2/5

d. 6 ÷ 5/2

b. 6 x 5/2

400

A chemistry teacher divided 31.5 ounces of vinegar equally among all the students in a class. If each student got exactly 1.5 ounces of vinegar, how many students are in the class?

a. 16

b. 30

c. 21

d. 33

c. 21

400

Julie had $237 to spend. She returned a calculator and received a $128 refund. She then bought a chair for $62.

How much money in dollars and cents did Julie have to spend after buying the chair?

$300

400

A skills test has 20 questions. This list shows the number of points that can be earned on each question:

Correct answer: +3 points
Incorrect answer: –1 point
No answer: –2 points

When Frieda took the skills test, she answered 12 questions correctly and 5 questions incorrectly, and she did not answer the rest of the questions. What was the total number of points Frieda earned?

a. 25

b. 31

c. 12

d. 20

a. 25

500

Which statement about 96 multiplied by is true?

a. The product is less than

b. The product is greater than 96

c. The product is between and 96.

d. The product is equal to 96.

b. The product is greater than 96

500

A art teacher has 12 containers of red paint for students to use in an art project. If each student will use of a container of red paint, how many students can do the art project?

a. 18 students

b. 5 students

c. 21 students

d. 8 students

a. 18 students

500

A pharmacist put 4.536 ounces of vitamin pills into bottles. She put 0.042 ounce of vitamin pills into each bottle.

How many bottles did the pharmacist use for these vitamin pills?

a. 11

b. 5

c. 18

d. 108

500

The expression shown can be used to calculate the amount of money in dollars a grocery store customer should receive in change when paying with $50.

What amount of change in dollars should the customer receive?

a. $4

b. $26

c. $29

d. $7

500

What is the value of the expression shown?

a.- 9

b. 46

c. 79

d. -30

c. 79