Free Grade 3 Introducing Reverse Percentages Lesson Plans
Free Grade 3 lesson plans for Introducing 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
Stretch
35 min
24
Learning objectives
Every objective is checkable, and each one maps to an activity and an assessment.
- UnderstandExplain introducing reverse percentages
Explain introducing reverse percentages accurately in a familiar context.
Assessed by: Exit ticket of four short items
- ApplyCalculate introducing reverse percentages
Calculate introducing reverse percentages accurately in a familiar context.
Assessed by: Exit ticket of four short items
- AnalyseCompare introducing reverse percentages
Compare introducing reverse percentages accurately in a familiar context.
Assessed by: Exit ticket of four short items
- EvaluateJustify introducing reverse percentages
Justify introducing 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 Introducing 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 75% of 580.[1]
- 2.Find 75% of 360.[1]
- 3.Find 50% of 40.[1]
- 4.Find 25% of 780.[1]
- 5.Find 40% of 60.[2]
- 6.Find 60% of 640.[2]
- 7.Find 60% of 260.[2]
- 8.Find 30% of 780.[2]
- 9.Increase $780.00 by 60%.[3]
- 10.Decrease $620.00 by 20%.[3]
- 11.Decrease $120.00 by 40%.[3]
- 12.Decrease $140.00 by 40%.[3]
Show answers and working
1. 435
1% of 580 = 5.8. 75% = 5.8 × 75 = 435.
2. 270
1% of 360 = 3.6. 75% = 3.6 × 75 = 270.
3. 20
1% of 40 = 0.4. 50% = 0.4 × 50 = 20.
4. 195
1% of 780 = 7.8. 25% = 7.8 × 25 = 195.
5. 24
1% of 60 = 0.6. 40% = 0.6 × 40 = 24.
6. 384
1% of 640 = 6.4. 60% = 6.4 × 60 = 384.
7. 156
1% of 260 = 2.6. 60% = 2.6 × 60 = 156.
8. 234
1% of 780 = 7.8. 30% = 7.8 × 30 = 234.
9. $1248.00
Multiplier: 1 + 0.6 = 1.6. 780 × 1.6 = 1248.
10. $496.00
Multiplier: 1 − 0.2 = 0.8. 620 × 0.8 = 496.
11. $72.00
Multiplier: 1 − 0.4 = 0.6. 120 × 0.6 = 72.
12. $84.00
Multiplier: 1 − 0.4 = 0.6. 140 × 0.6 = 84.
Worked examples
Find 25% of 360.
- 1% of 360 = 3.6.
- 25% = 3.6 × 25 = 90.
- Answer: 90
Find 35% of 540.
- 1% of 540 = 5.4.
- 35% = 5.4 × 35 = 189.
- Answer: 189
Decrease $660.00 by 12.5%.
- Multiplier: 1 − 0.125 = 0.875.
- 660 × 0.875 = 577.5.
- Answer: $577.50
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 Introducing Reverse Percentages
One concept, one ecosystem — all of it free.
Goes deeper
The entities below this one, each with the same complete free resource set.
Sibling concepts
Related concepts
Lateral links, including across subjects.
Next topics
All free formats for this concept
Every kind below is a real page, generated from this entity.
Learn — Meet the idea.
Practice — Build fluency.
Revise — Keep it in memory.
Assess — Prove mastery.
Apply — Use it in context.
Teach — Deliver it to a class.
Frequently asked
- Is this Grade 3 Introducing Reverse Percentages lesson plan really free?
- Yes. Every lesson plans 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 Percentage Decrease. Each one has its own free lesson, worksheet and quiz.
- How is the lesson plan 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 Introducing Reverse Percentages?
- Move on to Working with Reverse Percentages, Reverse Percentages in Context, Percentage of an Amount, Percentage Increase, which build directly on this idea.
Related resources
Stuck on Introducing Reverse Percentages? The AI Tutor already knows this page, its prerequisites and its common mistakes.
Open the free AI Tutor