Percentage Practice Problems

Master percentages with practical problems you'll use in real life. From basic percent calculations to discounts, tips, and percent change, these exercises build essential skills.

Grades 6-8Key Stage 3ร…rskurs 6-8

Skills You'll Practice

  • Converting between percentages, decimals, and fractions
  • Finding a percentage of a number
  • Finding what percent one number is of another
  • Calculating percentage increase and decrease
  • Solving discount and markup problems
  • Working with tips and taxes

Basic Percentage Conversions

Easy
1

Convert 75% to a decimal

๐Ÿ’ก Show Hint

Divide by 100 (move decimal 2 places left)

โœ“ Show Answer

0.75

2

Convert 0.4 to a percentage

๐Ÿ’ก Show Hint

Multiply by 100

โœ“ Show Answer

40%

3

Convert 3/5 to a percentage

๐Ÿ’ก Show Hint

3 รท 5 = 0.6, then ร— 100

โœ“ Show Answer

60%

Finding Percentages

Medium
1

What is 25% of 80?

๐Ÿ’ก Show Hint

0.25 ร— 80 or 80 รท 4

โœ“ Show Answer

20

2

15 is what percent of 60?

๐Ÿ’ก Show Hint

(15 รท 60) ร— 100

โœ“ Show Answer

25%

3

A shirt costs $40. With 15% off, what is the sale price?

๐Ÿ’ก Show Hint

Find 15% of 40, then subtract from 40

โœ“ Show Answer

$34

Percent Change & Applications

Hard
1

A stock rose from $50 to $65. What is the percent increase?

๐Ÿ’ก Show Hint

(65-50)/50 ร— 100

โœ“ Show Answer

30%

2

After a 20% decrease, a price is $64. What was the original price?

๐Ÿ’ก Show Hint

Original ร— 0.80 = 64

โœ“ Show Answer

$80

3

A meal costs $45. With 8% tax and 20% tip (on pre-tax), what is the total?

๐Ÿ’ก Show Hint

Tax = $3.60, Tip = $9.00, Total = 45 + 3.60 + 9

โœ“ Show Answer

$57.60

Pro Tips

  • ๐Ÿ’กTo find X% of a number, multiply by X/100 (or move decimal 2 places left)
  • ๐Ÿ’กPercent change = (New - Original) / Original ร— 100
  • ๐Ÿ’กFor discounts: Sale Price = Original ร— (1 - discount rate)
  • ๐Ÿ’ก"Of" usually means multiply in percentage problems

Curriculum Alignment

CommonCore (6.RP.A.3c)CommonCore (7.RP.A.3)

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