Percentages Quiz — 8th Grade

Section A

Foundations

Question 01 — Multiple Choice

Which of the following is equivalent to 35%?

A 35/10

B 3.5

C 7/20

D 0.035

Question 02 — Fill in the Blank

Convert 0.072 to a percentage.

Enter a number (e.g., 7.2 for 7.2%)

Question 03 — Multiple Choice

What is 3/8 expressed as a percentage? (Round to the nearest tenth.)

A 36.5%

B 37.5%

C 38.0%

D 40.0%

Question 04 — Fill in the Blank

Order these values from least to greatest: 0.4, 42%, 2/5, 45%.
Enter the number of the correct ordering below.

1) 2/5, 0.4, 42%, 45% 2) 0.4, 2/5, 42%, 45% 3) 2/5 = 0.4 = 40%, 42%, 45% 4) 42%, 2/5, 0.4, 45%

1 2/5, 0.4, 42%, 45%

2 0.4, 2/5, 42%, 45%

3 2/5 = 0.4 = 40%, then 42%, then 45%

4 42%, 2/5, 0.4, 45%

Section B

Finding Part, Whole & Percent

Question 05 — Fill in the Blank

What is 18% of 250?

Question 06 — Multiple Choice

45 is 60% of what number?

A 27

B 70

C 75

D 80

Question 07 — Fill in the Blank

36 is what percent of 90? Enter just the number.

Question 08 — Multiple Choice

A bag contains 120 marbles. 15 of them are red. What percentage of the marbles are not red?

A 12.5%

B 85%

C 87%

D 87.5%

Section C

Percent Increase & Decrease

Question 09 — Fill in the Blank

A jacket originally costs $80. It goes on sale for $56. What is the percent decrease? Enter just the number.

Question 10 — Multiple Choice

A town's population grew from 4,500 to 5,400. What was the percent increase?

A 16.7%

B 20%

C 22%

D 25%

Question 11 — Fill in the Blank

After a 15% increase, a price becomes $138. What was the original price?

Question 12 — Multiple Choice

A store reduces a $200 item by 20%, then reduces the new price by a further 10%. What is the final price?

A $140.00

B $142.00

C $144.00

D $150.00

Section D

Real-World Applications

Question 13 — Multiple Choice

Maya scored 84 out of 120 points on a test. Her friend scored 72%. Who scored higher?

A Maya scored higher (70% vs 72%... wait — recalculate!). Maya: 84/120 = 70%; friend = 72%. Friend scored higher.

B Maya's friend scored higher — 72% > 70%

C They scored the same

D Maya scored higher — 84 points is more than 72 points

Question 14 — Fill in the Blank

A restaurant bill is $65.00. You want to leave an 18% tip. How much is the tip? (Round to the nearest cent.)

Question 15 — Multiple Choice

A $350 bicycle is on sale at 25% off. After the discount, a 8% sales tax is applied. What is the final price paid?

A $280.00

B $294.00

C $283.50

D $301.00

Question 16 — Fill in the Blank

A bank account earns 4% simple interest per year. If you deposit $2,500, how much interest is earned after 3 years?

Section E

Challenge & Critical Thinking

Question 17 — Multiple Choice

If 40% of a number is 56, what is 75% of the same number?

A 90

B 98

C 105

D 112

Question 18 — Fill in the Blank

A school's enrollment increased by 20% one year, then decreased by 20% the following year. Is the final enrollment higher, lower, or the same as the original? Enter the final enrollment if the original was 500 students.

Question 19 — Multiple Choice

Look at the table below. Which product had the greatest percent increase in sales from January to February?

Product	January	February
Apples	200	250
Bananas	50	68
Cherries	400	480
Dates	80	100

A Apples (25%)

B Bananas (36%)

C Cherries (20%)

D Dates (25%)

Question 20 — Multiple Choice (Challenge)

In a class of 30 students, 60% are girls. After some new students join, girls now make up 50% of the class. If the number of girls did not change, how many new students joined?

A 4

B 5

C 6

D 8

—

Final Score

—

Correct

—

Incorrect

—

Skipped