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Key Stage 3Ages 11-14Maths

Free Percentages Worksheets for Key Stage 3

Understanding and calculating percentages. Download free printable maths worksheets designed for Key Stage 3 students (ages 11-14), aligned to the UK National Curriculum.

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What Your Child Will Learn

Reverse percentage calculations
Calculate compound interest
Solve multi-step percentage problems
Apply percentages in statistics and data analysis

Sample Percentages Questions for Key Stage 3

Here are examples of the types of questions your child will practice:

1

Calculate 17.5% of £240

easyshort answer
2

A £500 item is reduced by 15%. Find the sale price.

mediumshort answer
3

Express 0.035 as a percentage

mediumfill blank
4

A population grows from 50,000 to 62,000. Calculate the percentage increase.

hardshort answer
5

After a 20% discount, a jacket costs £56. What was the original price?

hardshort answer
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Skills Your Child Will Build

Proportional reasoning
Real-world applications
Financial literacy
Conversions

Real-World Applications

Understanding percentages helps children in everyday situations:

Sales and discounts
Interest rates
Statistics
Grades and scores

Common Mistakes to Watch For

Help your child avoid these common percentages mistakes:

  • !Forgetting to divide/multiply by 100
  • !Increase/decrease confusion
  • !Finding original amount errors
  • !Fraction conversion

Learning Progression

Building these skills now prepares students for GCSE-level work, where percentages understanding becomes essential for exam success.

Sample Percentages Worksheets

1 available

Fractions Decimals Percentages Worksheet — KS3 — Intermediate

intermediate
180

Percentages Worksheet Preview

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Fractions Decimals Percentages Worksheet — KS3 — Intermediate

Key Stage 3 · intermediate difficulty

Preview

Activity 1: Converting Fractions to Decimals

Convert each fraction into a decimal. Write your answer in the box provided.

1. 3/4 ______
2. 7/8 ______
3. 5/6 ______
4. 2/5 ______
5. 9/10 ______
6. 1/3 ______
7. 11/20 ______
8. 4/25 ______

Activity 2: Converting Decimals to Percentages

Convert each decimal into a percentage. Remember to multiply the decimal by 100 to find the percentage.

1. 0.75 ______
2. 0.45 ______
3. 0.62 ______
4. 0.89 ______
5. 0.33 ______
6. 0.58 ______
7. 0.27 ______
8. 0.95 ______
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Tips for Teaching Percentages

1Teach the 10% trick first (divide by 10)
2Connect to fractions: 50% = 1/2
3Use real adverts and sale signs for context
4Reverse percentage problems need a different method - teach it separately

More Maths Topics for Key Stage 3

AdditionSubtractionMultiplicationDivisionFractionsDecimals

Percentages for Other Age Groups

Early Years

Ages 0-2

Nursery

Ages 3-4

Reception

Ages 4-5

Key Stage 1

Ages 5-7

Key Stage 2

Ages 7-11

GCSE

Ages 14-16

A-Level

Ages 16-18

Frequently Asked Questions

What percentages topics are covered in these worksheets?▼
Our percentages worksheets for Key Stage 3 cover all aspects of understanding and calculating percentages as required by the UK National Curriculum. Each worksheet is designed to build skills progressively from foundation to challenge level.
Are these percentages worksheets suitable for Key Stage 3?▼
Yes, these worksheets are specifically designed for Key Stage 3 students (ages 11-14). The content difficulty and question types are carefully matched to National Curriculum expectations for this age group.
How can I use these percentages worksheets effectively?▼
We recommend 15-20 minutes of focused practice per session. Use the worksheets to reinforce concepts taught at school, identify areas needing more practice, and build confidence. Every worksheet includes an answer key for easy self-assessment.
Do the percentages worksheets include answer keys?▼
Yes, every worksheet comes with a complete answer key on a separate page. This makes it easy for parents to check homework, teachers to mark work, and students to self-assess their understanding.

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