Practice Percentages in Math
Use these practice problems to test your method after reviewing the concept explanation and worked examples.
Quick Recap
A way of expressing a quantity as a fraction of 100, written with the symbol % to mean 'per hundred.'
Percent means 'per hundred.' means 25 out of every 100.
Showing a random 20 of 50 problems.
Example 1
easyWrite as a decimal.
Example 2
mediumA test had 25 questions. You got right. Find your percent score. 20 right out of 25 = 4 out of 5 parts — what percent score is this?
Example 3
mediumA meal costs $30 plus tax and an tip on the pre-tax amount. What is the total?
Example 4
mediumWhat percent increase from to ?
Example 5
medium is what percent of ?
Example 6
easyCompute of .
Example 7
mediumA bag holds marbles, of which are red. How many are NOT red? 3 out of 10 parts = 30% red; unshaded 7/10 = 70% = 56 marbles not red
Example 8
hardSimple interest at per year on a $1{,}600 deposit. How much interest is earned in 3 years?
Example 9
easyWhat is of ? 25% = 1/4 of 48 — how much is the shaded region?
Example 10
challengeAn item is marked up above cost. Then a discount is applied to the marked-up price. What is the final price as a percent of cost?
Example 11
mediumA shirt costs . With off, what's the sale price? 25% discount leaves 75% — 3 out of 4 parts remain at $30
Example 12
easyWhat is of ?
Example 13
medium of a number is . What is the number?
Example 14
mediumThe population of a town increased from to . What is the percent increase?
Example 15
easyWrite as a percent.
Example 16
mediumA class has students; are in band. What percent are in band?
Example 17
easyWhat percent of is ? 50 out of 200 = 1/4 — what percent is shaded?
Example 18
mediumA stock fell , then rose . Net change?
Example 19
medium is of what number?
Example 20
easyCompute of . 50% = 1/2 of 60 — shaded half = 30