Free · Class 7–8 · 4 worksheets · answer keys · practise online
Simple interest worksheets — Class 7 and 8, with answers
Free simple interest worksheets: find the simple interest, the amount, the rate and the time (SI = P × R × T ÷ 100) — new numbers every set, with answers.
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Simple interest SI = P × R × T ÷ 100 — P is the principal (money borrowed), R the rate % per year, T the time in years.Amount = principal + interest: A = P + SI.Turn the formula around: R = SI × 100 ÷ (P × T) and T = SI × 100 ÷ (P × R).
Find the simple interest (Class 7) Find the amount (Class 7) Find the rate (Class 8) Find the time (Class 8)
Find the simple interest Class 7 · Worksheet 1
Name: Date: Score: / 8
Solve.
Principal ₹6500, rate 6% per year, time 1 year. Find the simple interest. Principal ₹10000, rate 7% per year, time 5 years. Find the simple interest. Principal ₹3000, rate 5% per year, time 4 years. Find the simple interest. Principal ₹9000, rate 11% per year, time 5 years. Find the simple interest. Principal ₹1500, rate 9% per year, time 2 years. Find the simple interest. Principal ₹8000, rate 4% per year, time 3 years. Find the simple interest. Principal ₹500, rate 2% per year, time 1 year. Find the simple interest. Principal ₹4500, rate 5% per year, time 5 years. Find the simple interest.
✅ Answer key — Find the simple interest
₹390 ₹3500 ₹600 ₹4950 ₹270 ₹960 ₹10 ₹1125
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Find the amount Class 7 · Worksheet 2
Name: Date: Score: / 8
Solve.
Principal ₹6500, rate 4% per year, time 2 years. Find the amount. Principal ₹3500, rate 10% per year, time 2 years. Find the amount. Principal ₹5500, rate 10% per year, time 1 year. Find the amount. Principal ₹4000, rate 9% per year, time 2 years. Find the amount. Principal ₹7000, rate 4% per year, time 2 years. Find the amount. Principal ₹5000, rate 2% per year, time 4 years. Find the amount. Principal ₹5500, rate 12% per year, time 1 year. Find the amount. Principal ₹8500, rate 12% per year, time 4 years. Find the amount.
✅ Answer key — Find the amount
₹7020 ₹4200 ₹6050 ₹4720 ₹7560 ₹5400 ₹6160 ₹12580
TalentJR · talentjr.in/simple-interest-worksheet
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Find the rate Class 8 · Worksheet 3
Name: Date: Score: / 6
Solve.
Simple interest on ₹2500 for 4 years is ₹1100. Find the rate. Simple interest on ₹8500 for 5 years is ₹2550. Find the rate. Simple interest on ₹500 for 3 years is ₹120. Find the rate. Simple interest on ₹5500 for 4 years is ₹660. Find the rate. Simple interest on ₹7500 for 4 years is ₹600. Find the rate. Simple interest on ₹1000 for 4 years is ₹240. Find the rate.
✅ Answer key — Find the rate
11% per year 6% per year 8% per year 3% per year 2% per year 6% per year
TalentJR · talentjr.in/simple-interest-worksheet
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Find the time Class 8 · Worksheet 4
Name: Date: Score: / 6
Solve.
Simple interest on ₹5500 at 12% per year is ₹2640. Find the time. Simple interest on ₹5000 at 8% per year is ₹2000. Find the time. Simple interest on ₹500 at 12% per year is ₹240. Find the time. Simple interest on ₹9000 at 8% per year is ₹2160. Find the time. Simple interest on ₹1000 at 5% per year is ₹250. Find the time. Simple interest on ₹2500 at 4% per year is ₹400. Find the time.
✅ Answer key — Find the time
4 years 5 years 4 years 3 years 5 years 4 years
TalentJR · talentjr.in/simple-interest-worksheet
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Questions
What is the formula for simple interest? SI = (P × R × T) ÷ 100, and Amount = P + SI.
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