Free Grade 3 Compound Interest in Context Worksheets
Free Grade 3 worksheets for Compound Interest in Context: 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
Higher
15 min
24
Learning objectives
Every objective is checkable, and each one maps to an activity and an assessment.
- RememberIdentify compound interest in context
Identify compound interest in context accurately in a familiar context.
Assessed by: Exit ticket of four short items
- UnderstandExplain compound interest in context
Explain compound interest in context accurately in a familiar context.
Assessed by: Exit ticket of four short items
- ApplyCalculate compound interest in context
Calculate compound interest in context accurately in a familiar context.
Assessed by: Exit ticket of four short items
- AnalyseCompare compound interest in context
Compare compound interest in context 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 Compound Interest in Context 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 740.[1]
- 2.Find 10% of 600.[1]
- 3.Find 10% of 240.[1]
- 4.Find 10% of 420.[1]
- 5.Find 60% of 360.[2]
- 6.Find 40% of 640.[2]
- 7.Find 20% of 760.[2]
- 8.Find 35% of 240.[2]
- 9.Decrease $360.00 by 15%.[3]
- 10.Increase $580.00 by 30%.[3]
- 11.Increase $680.00 by 5%.[3]
- 12.Decrease $760.00 by 5%.[3]
Show answers and working
1. 555
1% of 740 = 7.4. 75% = 7.4 × 75 = 555.
2. 60
1% of 600 = 6. 10% = 6 × 10 = 60.
3. 24
1% of 240 = 2.4. 10% = 2.4 × 10 = 24.
4. 42
1% of 420 = 4.2. 10% = 4.2 × 10 = 42.
5. 216
1% of 360 = 3.6. 60% = 3.6 × 60 = 216.
6. 256
1% of 640 = 6.4. 40% = 6.4 × 40 = 256.
7. 152
1% of 760 = 7.6. 20% = 7.6 × 20 = 152.
8. 84
1% of 240 = 2.4. 35% = 2.4 × 35 = 84.
9. $306.00
Multiplier: 1 − 0.15 = 0.85. 360 × 0.85 = 306.
10. $754.00
Multiplier: 1 + 0.3 = 1.3. 580 × 1.3 = 754.
11. $714.00
Multiplier: 1 + 0.05 = 1.05. 680 × 1.05 = 714.
12. $722.00
Multiplier: 1 − 0.05 = 0.95. 760 × 0.95 = 722.
Worked examples
Find 75% of 520.
- 1% of 520 = 5.2.
- 75% = 5.2 × 75 = 390.
- Answer: 390
Find 30% of 780.
- 1% of 780 = 7.8.
- 30% = 7.8 × 30 = 234.
- Answer: 234
Increase $400.00 by 35%.
- Multiplier: 1 + 0.35 = 1.35.
- 400 × 1.35 = 540.
- Answer: $540.00
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 Compound Interest in Context
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Frequently asked
- Is this Grade 3 Compound Interest in Context worksheet really free?
- Yes. Every worksheets 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 Working with Compound Interest, Introducing Compound Interest, Simple Interest. Each one has its own free lesson, worksheet and quiz.
- How is the worksheet 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 Compound Interest in Context?
- Move on to Percentage of an Amount, Percentage Increase, Percentage Decrease, Reverse Percentages, which build directly on this idea.
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