Percents
Part A: Multiple Choice - Circle the letter of the correct answer. (20 marks)
1. Of the total school population of 810 students, 208 live outside the city limits. About what percentage of the students live outside the city limits?
a) 40% b) 25% c) 20% d) 15%
2. Which quiz mark would be the same as 80%?
a) b) c) d)
3. What is 160% of 80 kg??
A. 200 kg
B. 128 kg
C. 50 kg
D. 2 kg
4. In a hockey game, Cody stopped 20 of the 28 shots on goal. About what percentage of the shots did he stop? – This is called save percentage!
A. 21 %
B. 28 %
C. 1.3 %
D. 71 %
5. A DVD costs $20. The sales tax is 14%. How much sales tax do you have to pay?
a) $0.28 b) $2.80 c) $28.00 d) $22.80
6. William bought hockey stick for $49.99. What was the cost after a 14 % HST tax was added?
A. $ 7.00
B. $ 56.98
C. $ 43.00
D. $ 63.99
7. Jordan was successful in 10 out of 15 foul shots. What is the percent of the shots that she was successful?
A. 50 %
B. 15 %
C. 10 %
D. 66.6 %
9. Friday night’s hockey game was attended by 180 students. This is about 60 % of the school’s population. What is the total population of the school?
A. 108
B. 300
C. 160
D. 180
10. The regular price of a video game is $69.95. This week it is on sale for 15% off. What does the game cost this week?
A. $ 10.49
B. $ 59.46
C. $ 466.33
D. $82.29
11. Express 47 % as a decimal.
A. 0.0047
B. 4.7
C. 0.47
D. 470
12. 20 % of a number is 60. What is the number?
A. 12
B. 120
C. 240
D. 300
13. 50 % of what number is 32?
A. 50
B. 32
C. 16
D. 64
14. Four students ran for the position of school president. Use the following results to figure out who won.
A. Jenna received 22 % of the votes.
B. Jordan received of the votes.
C. Kelsey received 6 out of every 20 votes.
D. Nathan received of the votes.
15. Express as a percent.
A. 18 %
B. 22 %
C. 45 %
D. 36 %
16. On a math test, Jeremy missed 19 points out of 100 possible. What percent of the points did he earn?
A. 19 %
B. 81 %
C. 91 %
D. 100 %
17. Which is 65 % of 700?
A. 65
B. 455
C. 650
D. 45 500
18. Which is 125 % of 24?
A. 3000
B. 32
C. 30
D. 6
19. What is written as a percent?
A. 20 %
B. 45 %
C. 40 %
D. 80 %
20. Victoria is going to buy a new CD. It is on sale for 20 % off $19.99. How much money does she save?
A. $ 15.99
B. $ 20.19
C. $ 23.99
D. $ 3.99
Part B: Make sure to answer ALL of the following questions. YOU MUST SHOW YOUR WORK! EVEN IF THE QUESTION CAN BE DONE EASILY YOU MUST STILL SHOW YOUR WORK!
1. Fill in the following table: (8 marks)
Percents / Decimal / Fraction0.05
150 %
2. Answer each of the following. Use the tricks I taught you to help: ( 18 marks)
a). 20 % of 220 b). 35 % of 420 c). 15 % of 1280
_
d). 94 % of 50 e). 5 % of 70 f). 33.3 % of 24
3. Ashtan bought a pair of shoes. They were on sale for 35 % off $50.
a). What was the discount (how much did she save)? - 4 marks
b). What was the sale price (after HST)? - 6 marks
4. The price of a $500 item is increased by 20 % and THEN decreased by 20 % of that price. Is the final price $500? Explain/Show your answer – This is tricky! (5 marks)
5. Solve each of the following. Some of the questions may be easy to do in your head but you must SHOW WORK. (9 marks)
a). 50 % of a number is 7. What is the number?
b). 40 % of a number is 8. What is the number?
c). 18 is 50 % of what number?
6. James was looking to buy a paintball gun. He spotted one he liked which regularly sold for $160 but was on sale at 20 % off.
a). What is the new selling price (Before HST)? – 4 marks
b). What is the sale price PLUS HST? (6 marks)
7. Paige sees a sale on a CD player at 20 % off. The CD player regularly sold for $89.99.
a). What was the selling price (before HST)? (4 marks)
b). How much will the CD player cost plus HST ? (6 marks)
8. The following are fractions of student test scores. Find the percent of each student. (9 marks)
a). b). c).
BONUS
6