Free Grade 3 Working with Reverse Percentages Flashcards
Free Grade 3 flashcards for Working with Reverse Percentages: 12 real questions with a full answer key and worked solutions. Per cent means 'out of 100'. Find 10% by dividing by 10 or 1% by dividing by 100, then build up. For an increase or decrease, use a multiplier.
Free
Foundation
20 min
24
Learning objectives
Every objective is checkable, and each one maps to an activity and an assessment.
- UnderstandExplain working with reverse percentages
Explain working with reverse percentages accurately in a familiar context.
Assessed by: Exit ticket of four short items
- ApplyCalculate working with reverse percentages
Calculate working with reverse percentages accurately in a familiar context.
Assessed by: Exit ticket of four short items
- AnalyseCompare working with reverse percentages
Compare working with reverse percentages accurately in a familiar context.
Assessed by: Exit ticket of four short items
- EvaluateJustify working with reverse percentages
Justify working with reverse percentages accurately in a familiar context.
Assessed by: Exit ticket of four short items
Prerequisites
Close these gaps first — each has its own free lesson, worksheet and quiz.
How Working with Reverse Percentages works
Per cent means 'out of 100'. Find 10% by dividing by 10 or 1% by dividing by 100, then build up. For an increase or decrease, use a multiplier.
12 practice questions
Easy to hard, 24 marks in total. Try them first, then open the answers.
- 1.Find 10% of 720.[1]
- 2.Find 25% of 320.[1]
- 3.Find 10% of 540.[1]
- 4.Find 25% of 680.[1]
- 5.Find 40% of 380.[2]
- 6.Find 5% of 780.[2]
- 7.Find 35% of 40.[2]
- 8.Find 35% of 520.[2]
- 9.Decrease $480.00 by 60%.[3]
- 10.Increase $700.00 by 30%.[3]
- 11.Decrease $460.00 by 40%.[3]
- 12.Increase $180.00 by 15%.[3]
Show answers and working
1. 72
1% of 720 = 7.2. 10% = 7.2 × 10 = 72.
2. 80
1% of 320 = 3.2. 25% = 3.2 × 25 = 80.
3. 54
1% of 540 = 5.4. 10% = 5.4 × 10 = 54.
4. 170
1% of 680 = 6.8. 25% = 6.8 × 25 = 170.
5. 152
1% of 380 = 3.8. 40% = 3.8 × 40 = 152.
6. 39
1% of 780 = 7.8. 5% = 7.8 × 5 = 39.
7. 14
1% of 40 = 0.4. 35% = 0.4 × 35 = 14.
8. 182
1% of 520 = 5.2. 35% = 5.2 × 35 = 182.
9. $192.00
Multiplier: 1 − 0.6 = 0.4. 480 × 0.4 = 192.
10. $910.00
Multiplier: 1 + 0.3 = 1.3. 700 × 1.3 = 910.
11. $276.00
Multiplier: 1 − 0.4 = 0.6. 460 × 0.6 = 276.
12. $207.00
Multiplier: 1 + 0.15 = 1.15. 180 × 1.15 = 207.
Worked examples
Find 50% of 60.
- 1% of 60 = 0.6.
- 50% = 0.6 × 50 = 30.
- Answer: 30
Find 40% of 140.
- 1% of 140 = 1.4.
- 40% = 1.4 × 40 = 56.
- Answer: 56
Increase $240.00 by 35%.
- Multiplier: 1 + 0.35 = 1.35.
- 240 × 1.35 = 324.
- Answer: $324.00
Interactive practice
Free, no account required — answer on screen or print it.
Common mistakes
What learners typically get wrong, and how to fix it.
Finds 10% and stops when asked for a 10% decrease.
Correction: Subtract the 10% from the original.
Thinks a 50% rise then 50% fall returns to the start.
Correction: The second percentage is of a different amount.
Teacher tips
- · Teach 10%, 5%, 1% building blocks before multipliers.
Parent tips
- · Work out the tip at a restaurant together.
Real-life applications
- · Sales, tips, tax and interest.
Assessment objectives
How mastery is evidenced, and which standards it maps to.
Every free resource for Working with Reverse Percentages
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Frequently asked
- Is this Grade 3 Working with Reverse Percentages flashcards really free?
- Yes. Every flashcards on FreeMathWorksheet is free to use, print and share — no account, no paywall and no watermark.
- What should a learner already know before this?
- Start with Introducing Reverse Percentages, Percentage Decrease. Each one has its own free lesson, worksheet and quiz.
- How is the flashcards sequenced?
- Recognition first, then understanding, application, reasoning and finally mastery — the same ladder used across every free resource on the platform.
- What comes next after Working with Reverse Percentages?
- Move on to Reverse Percentages in Context, Percentage of an Amount, Percentage Increase, Percentage Decrease, which build directly on this idea.
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