Name"
ÿÿ
Date:
Class:
Review for Ratio and Unitÿ Rate Test
.
If the ratio of boys to girls in the sixth-grade choir is 2 to 3, what could be some possible
numbers of the boys and girls in the choir? (An average class is between 20-35
students.)
.
Melanie is going to read a 219-page book. She reads at a rate of 20 pages per day. How
much of the book wiil she have read after 3 days? After 4 days? After 5 days? After 6
days? Show as a ratio and a number of pages.
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3. A container holds 13 pencils, 5 blackpens, and 3 blue pens. What is the ratio of pens to
all writing tools?
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Michelle's Craft Shoppe sells a package of beads that has a ratio of 30 red beads to 5
green beads. If 18 red beads are added to the package, how many green beads must be
added in order for the ratio of bead colors to stay the same?
5. Alex has baseball practice for 6 hours and swimming practice for 7 hours each week. If
Alex continues to practice these sports at this rate, about how many total hours will he
have practiced in 8 weeks?
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6. Steven was trying to decide what job to take. Burger King offered $350 per 40-hour
week. Jack in the Box offered to pay him $9 per hour for 40 hours a week. At which job
would he make the most money? How much more? ÿ"-'----'ÿx
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- "1ÿo7. At a car wash fundraiser, Super Speedy Sports Cleaners raised $:1.68 for washing 24 cars.
The next day, Chris's Car Cleaners raised $280 for washing 40 cars. Which car wash
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company earned the most money for per car? By how much?
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If there are
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tudents in Ms. Clarke's class andÿthe ratio of boys to girls is 2 to 3, how
many boys and how many girls are in Ms. Clarke's class?
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Write 3 ratios that are equivalent to the ratio 5 .
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Look at the figure below.
10. What is the ratio of shaded boxes to unshaded boxes? What is the ratio of shaded to
total?
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teachers are competing to see who can sell the most raffle tickets at the School
carnival. The table shows how maÿraffle tickets each teacher sold for the given time
period.
Teacher's Name
Time in Minutes
Mr. Maldanado
Ms. Mathis
Number of Raffle
Tickets
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Mr. DeCicco
Ms. Ahmed
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30 X 2. - GO 12,ÿl =Zq,
Using these ratios, how many tickets do you predict each teacher sold in_-- - " , ? TI,:, I
One hour? ÿ ÿ::) ÿ'ÿ'G ÿ'ÿ
12. Ashley wants to divide her 63 shirts into two groups so that the ratio of the number of
shirts in the first group to the number of shirts in the second group is 3 to 4. How many
shirts will be in each
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For #13-15, use the table below to help find your answer
School Outing Student-to-Parent Ratios
Numbsr of Students t./I 8 16 24 32 40 48 56 64 72
Number of Parents Ij 2 4 6 8 10 12 14 16 18
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13. Each time some students go on a school outing, their teachers invite students' parents
ccompany them. How manyÿÿwould accompany 128 students?
14. Some students will be going on a trip to the local police station. Their teachers invited
11 parents to accompany them. How ÿr-ÿdents do you predict will be going on the
outing?
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15. Next week 96 students will 8o to the Science Museum. Their teachers invited some of
the students' parents to 8o with them. How many parents do you predict will 8o with
the students to the Science Museum?
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16. Santiago needs to buy apples to make applesauce. He is looking for ÿr price than
;1.29 per pound. Which store has a lower price per pound?
Store
Price (ÿ;)
Store A
Weight (Ib)
4.08
3
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Store B
5.04
4
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Store C
12.88
7
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Store D
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7.35
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17. The pictograph below shows the number of samples of matter being tested in an
experiment.
Matter Being Tested
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'Gas
ÿ
4
Each ÿ, represents 5 samples,
What is the ratio of liquid to solid samples being tested? What is the ratio of liquid samples to
total samples? What is the ratio of solid samples to total samples? What is the ratio of gas to
liquid samples?
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18. The number of bricks is proportional to the height of a wall. Which statement describes
the pattern in the graph of the ordered pairs?
Number of Bricks
Height of Wall (ft)
48
4
:84
7
i08
73
9
As the height of the wall increases by i foot, there are 12 more bricks in the wall
For every 48 bricks, the wall increases by, feet
Iÿor every 36 bricks, the wall increases by/feet
As the height of the wall increases by 2 feet, there areÿmore bricks in the wall
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19. The table shows the numbers of laps different students swam. How many more laps per
minute did Carrie swim than Dawn? How many more laps per minute did Chad swim
than Tyson? Tyson and Carrie? Dawn and Chad?
Student
Laps
Time (min)
Carrie
15
20
Dawn
Chad
24
9
30
15
Tyson
16
32
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20. How much does it cost for one 12 pack of lemonade at Super Saver? At Shop Smart? At
Price Busters?
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