Download Pre-Algebra, Unit 06 Practice Test: Ratio and Proportion Name: Date

Pre-Algebra, Unit 06 Practice Test: Ratio and Proportion
Name:
Date:
1. Define ratio and give an example.
2. Define similar polygons and give an example.
3. Define cross product and give an example.
4. Ted’s club has 20 members, fifteen are male and the rest are female. Find the ratio of
males to females (in lowest terms).
5. Write an equivalent rate.
20 ft/sec = ? ft/ minute
6. (SE)If a 20 ounce bag of peanuts cost $3.20, how much does a one ounce bag cost?
7. (CRT)John and Abby are making lemonade for their family. John makes 3 quarts while
Abby makes 1.5 gallons. If one gallon = four quarts and 1 quart = 4 cups, determine the
total number of cups of lemonade they made for their family. Show your work.
Pre-Algebra Practice Test
Unit 06: Ratio and Proportion
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8. (CRT)The mass of a salt packet is 3 grams. How many kilograms is the mass of 200
packets? (1 kg = 1000 g)
.06 kg
A.
.6 kg
B.
C. 6 kg
D. 60 kg
9. (SE)If you and 4 friends spend $20 on a pizza order, what is the cost per person?
A. $4.00
B. $5.00
C. $8.00
D. $10.00
10. Order the ratios from least to greatest.
27
6
, 16 to 3, 7  2 ,
5
2
11. Solve the proportion.
18 x

12 2
12. Solve the proportion.
x 3

15 9
13. Solve the proportion.
2 7

x 21
Pre-Algebra Practice Test
Unit 06: Ratio and Proportion
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14. The legend on a map indicates one inch equals 20 miles. If the distance between two
cities on the map is five inches, how many miles would have to be traveled?
15. (SE)If a basketball player makes 15 out of 45 baskets in his first game, how many baskets
would you expect him to make in the second game if he attempted 18?
16. (SE)The chef used 1.5 cups of sugar to make 5 batches of cookies, how many cups of
sugar would the chef need to make 25 batches of cookies?
17. (SE)Roberto has a choice of two sizes of peanut butter at the store. A 12 ounce jar costs
$2.64 and a 16 ounce jar costs $3.36. Which jar of peanut butter is the more economical
one to buy?
18. Given the two rectangles are similar, find the value of x.
24 in
.
8 in
x
15 in
Pre-Algebra Practice Test
Unit 06: Ratio and Proportion
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19. (CRT/SE)In the diagram below, rectangle BEFA is similar to rectangle BCDE.
B
A
C
5 ft
E
F
D
15 ft
x
Which proportion could be used to find the width (x), in feet , of the rectangle BEFA ?
A.
B.
C.
D.
15 x

5 5
15 5

5 x
x  15

5
x  15

5
x
5
5
x
20. (CRT)You have a small rectangular picture that is 2 cm wide and 3 cm long. You wish
to enlarge it proportionally. The area of your enlarged picture will be 4 times the area of
your original picture. What are the length and width of the enlarged picture?
A.
B.
C.
D.
8 cm wide and 12 cm long
6 cm wide and 7 cm long
4 cm wide and 6 cm long
2 cm wide and 12 cm long
21. (CRT)In the diagram below, triangle ABC is congruent to triangle XYZ.
C
A
Y
40° X
40°
100°
B
Z
What is the measure of C ?
A. 40°
B. 80°
C. 100°
D. 140°
Pre-Algebra Practice Test
Unit 06: Ratio and Proportion
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22. (SE)Alice (who is 5 ft 6 in tall) casts a shadow 24 inches long. At the same time a nearby
tree casts a shadow that is 120 inches. How tall is the tree in FEET? Explain your
thinking. (1 foot = 12 inches)
23. (SE)The students in a club are going to make bookmarks to sell as a fundraiser. They
need 90 inches of material to make 10 bookmarks. The students will sell the bookmarks
for 3 days and plan on selling 40 bookmarks per day.
A. How many inches of material will be needed for the 3 days? Explain your thinking.
B. Material is sold in 1 yard lengths. How may yards of material will the students need
to purchase? (1 yard = 36 inches, 1 yard = 3 feet, 1 foot = 12 inches) Show your
work.
Pre-Algebra Practice Test
Unit 06: Ratio and Proportion
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