Book a free demo

Grade 7 · Year 8 · Class 7 · ages 12–13

Percentage increase and decrease worksheets.

Free printable percentage increase and decrease worksheets with answer keys. Increasing or decreasing an amount by a percentage. Choose the level and the number of questions, then download a PDF or print.

  • Grade 7
  • Year 8 · Class 7
  • Ages 12–13
  • PDF + print
  • Answer key
  • Free
Level
Questions
Paper

Sheet 52820. Change the options above or make a new worksheet.

Practise online with instant feedback →

Percentage increase and decrease

Grade 7 · Medium · 12 questions · Sheet 52820

Name Date Score / 12

  1. 1.Decrease 300 by 5%:
  2. 2.Decrease 300 by 15%:
  3. 3.Decrease 180 by 20%:
  4. 4.Decrease 140 by 25%:
  5. 5.Increase 340 by 20%:
  6. 6.Increase 400 by 25%:
  7. 7.Decrease 100 by 20%:
  8. 8.Increase 180 by 10%:
  9. 9.Increase 320 by 10%:
  10. 10.Decrease 140 by 5%:
  11. 11.Decrease 300 by 20%:
  12. 12.Increase 120 by 15%:
purefaith.in/practice/percentage-change · practise this skill online, freePage 1 of 1

About percentage increase and decrease worksheets

Increasing or decreasing an amount by a percentage. This worksheet maker is aimed at Grade 7 (Year 8, Class 7) (ages 12–13) and makes new questions every time, with the answers worked out by a maths engine.

Teaching tip

To increase by 20%, multiply by 1.2. To decrease by 20%, multiply by 0.8.

What the three levels look like

  • Easy: Decrease 160 by 20%: ___
  • Medium: Decrease 400 by 10%: ___
  • Challenge: Decrease 420 by 35%: ___

Keep going

Related worksheets

All worksheets →
Grade 7 · PercentagesProfit and lossCost price ₹100, selling price ₹75. The loss percent is ___Make a worksheet →Grade 7 · PercentagesSimple interestSimple interest on ₹7,500 at 9% per year for 4 years is ₹ ___Make a worksheet →Grade 7 · PercentagesDiscounts word problemsA shirt costs ₹2,800 and is sold at a 15% discount. The sale price is ₹ ___Make a worksheet →Grade 8 · PercentagesCompound interest for 2 years₹9,200 is invested at 25% a year, compounded yearly, for 2 years. The amount is ₹ ___Make a worksheet →Grade 5 · PercentagesPercentage of a number10% of 280 = ___Make a worksheet →Grade 5 · PercentagesFractions, decimals and percentages0.33 = %Make a worksheet →

FAQ

Percentage increase and decrease worksheets: questions

What grade are percentage increase and decrease worksheets for?

Percentage increase and decrease is usually taught around Grade 7 (Year 8, Class 7), for ages 12–13. Every grade has an easy, medium and challenge level, so you can go back to an earlier level or push ahead.

Do these percentage increase and decrease worksheets include an answer key?

Yes. Press Download PDF with the answer key switched on and the last page lists every answer. Turn the key off for a clean student copy.

Can I make a new worksheet with different questions?

Yes. Press New worksheet for a fresh set of questions. Each sheet has a sheet number printed on it; open this page with the same level, question count and number to get exactly the same sheet again.

How do I help a child who finds percentage increase and decrease hard?

To increase by 20%, multiply by 1.2. To decrease by 20%, multiply by 0.8. Start with the easy level, and practise a few minutes every day rather than one long session.

What is a quick way to find a percentage of a number?

Find 10% by dividing by 10, then build the others: 5% is half of 10%, 20% is double 10% and 25% is a quarter.

Start a conversation

Want a tutor to go with the worksheets?

A parent or guardian can tell us the age and grade, and we'll suggest a starting point.

  • Tell us the learner’s age or grade and goals
  • We’ll suggest a suitable class or learning path
  • We’ll confirm format, timing and fees with a parent or guardian

For a child’s class, please have a parent or guardian send the enquiry. Avoid sharing passwords or sensitive personal details.

We’ll use your details only to respond to this request.

Play it, don't just read it

Try it now: Percentage increase and decrease

Eight quick questions with instant feedback. Your score is saved on this device and counts in the games and learning paths too.

All free games →

Percentage increase and decrease (Grade 7): Increasing or decreasing an amount by a percentage. Open the practice page or print a worksheet.

Or play a game

Today's maths challengeFive questions · the same for everyone today · keep your streak goingPlay
Chat on WhatsApp
Esc

Try