Name______Date______Class______
Proportionality: Ratios and Rates
Unit Test: C
Original content Copyright © by Houghton Mifflin Harcourt. Additions and changes to the original content are the responsibility of the instructor.
1
Name______Date______Class______
1.Beatrix ate 21 raisins. This represents 30 of the box of raisins. How many raisins were originally in the box?
A7C51
B30D70
2.Approximately what percent of the large square below is shaded?
A33%C44%
B40%D55%
3.The ratio of green marbles to yellow marbles in Toby’s bag is equal to 2:3. What percent of the marbles in the bag are green marbles?
A40%C60%
B50%D%
4.Kendra bought a piece of fabric that was 14 feet long. Lisa bought a piece of fabric that was 3 yards long. Kendra wanted to cut her fabric so that it was the same length as Lisa’s. How many feet did she need to cut off?
A1ftC4 ft
B2ftD5 ft
5.Tom and Jasper have the same percentage of blue marbles in their bags of marbles. Tom has 5 blue marbles and 20 total marbles. Jasper has 12 blue marbles. How many of Jasper’s marbles are not blue?
A12C36
B24D48
6.The ratio of boys to girls in Mr. Chen’s class is 4 to 5. Which of the following cannot be the total number of students in Mr. Chen’s class?
A18C27
B20D36
7.Alexa and Brent are each working on a 30-question assignment. Alexa completed 20% of the questions. Brent completed 30% of the questions. How many more questions did Brent complete?
A1C6
B3D9
8.Martina filled a 100-mL container with water. Simone filled a 1.2-L container. How much more water did Simone have in her container?
A0.1 LC0.9 L
B0.2 LD1.1 L
9.Brian counted 15 red cars and 20 blue cars in the parking lot. If the number of red cars stays the same, how many more blue cars would need to be added so the ratio of red cars to blue cars is 1 to 2?
A10C20
B15D30
10.Wendy can ride her bike 0.8 miles in
6 minutes. How many miles can she ride bike in 1.5 hours?
A6miC12 mi
B7.5miD15 mi
11.Demetra earns $9 per hour working at the bakery. She earns $7 per hour babysitting. If Demetra works for 4 hours at the bakery and babysits for 5 hours, how much money would she earn?
A$35C$71
B$36D$81
Original content Copyright © by Houghton Mifflin Harcourt. Additions and changes to the original content are the responsibility of the instructor.
1
Name______Date______Class______
Proportionality: Ratios and Rates
Original content Copyright © by Houghton Mifflin Harcourt. Additions and changes to the original content are the responsibility of the instructor.
1
Name______Date______Class______
12.Tyrone purchased a container of juice that contains 150 calories. The label says that 70% of the calories are from carbohydrates. How many calories are not from carbohydrates?
______
13.Wu purchased a container of peanuts that weighs 5 kilograms. Mindy purchased a container of peanuts that weighs 4,800 grams. How many more grams of peanuts did Wu purchase?
______
14.
Favorite School Subject
Math / 15%Science / 20%
English / 35%
History / 30%
Jenn recorded the favorite school subject of students at her school. She surveyed 700 students. How many more students chose English than chose Science?
______
15.During the election for class president, 40% of the students voted for Gerardo, 35% of the students voted for Leandro, and 25% of the students voted for Juju. 70 students voted for Leandro. How many more students voted for Gerardo than for Juju?
______
16.The ratio of white pens to blue pens in Jake’s drawer is 4 to 3. If Jake has more than 40 pens, what is the minimum number of pens that can be in Jake’s drawer?
______
17.Arik bought 20 calculators at the electronics store. 40% of the calculators were scientific calculators and of the calculators were graphing calculators. How many of the calculators were neither scientific calculators nor graphing calculators?
______
18.
Juice Containers
Student / Container SizeDarius / 2.45 L
Jessie / 299 mL
Kyle / 3.5 L
Mark / 1,493 mL
Faisal / 4,391 mL
Students in Mr. Feld’s class have juice containers of different sizes, as shown in the table. Which of the students has the largest container?
______
19.What number is 25% of 35% of 400?
______
20. a. 58 dimes
b. $5.80
c. 131.544 g
Unit 2 Performance Task
1. They would need 39 yd2 of flooring; $530.01
2. Spaces should be 0.25 in. [16 boards create 15 spaces.]
3. She needs 131 bricks or 49 pavers. The bricks cost $77.29, and the pavers cost $92.12. The bricks would cost $14.83 less.
4. Yes, it will be okay. The temperature was only below 32 for one reading, so it could not have been that cold for 2 hours.
UNIT 3 Proportionality: Ratios and Rates
Unit 3 Test: A
1. D
2. C
3. C
4. A
5. C
6. C
7. A
8. B
9. D
10. D
11. D
12. D
13. 80 cal
14. 100 g
15. 75 students
16. 160 more students
17. 25 tennis balls
18. 8 lb
19. Sandro’s
20. 25
21. 2 to 1
Unit 3 Test: B
1. B
2. B
3. A
4. B
5. C
6. B
7. B
8. B
9. C
10. D
11. C
12. 88 cal
13. 250 g
14. 40 students
15. 60 students
16. 56
17. 9
18. Zelda’s
19. 210
Unit 3 Test: C
1. D
2. C
3. A
4. D
5. C
6. B
7. B
8. D
9. A
10. C
11. C
12. 45 cal
13. 200 g
14. 105 students
15. 30 more students
16. 42
17. 2
18. Faisal
19. 35
Original content Copyright © by Houghton Mifflin Harcourt. Additions and changes to the original content are the responsibility of the instructor.
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