BitWithBite
Mathematics Worksheet
🏦 Simple Interest
SCORE___ / 20
NameClassDate
After this worksheet you can
Compute simple interest with SI = PRT/100.Find the amount = principal + interest.Find the rate from given values.Understand principal, rate and time.📚 Quick Recap
Simple interest is money earned or paid based only on the original amount (the principal), calculated the same way every period.
🧠 Section A · Concept Check ● BEGINNER 4 × 1 = 4
1SI on $4,000 at 7% for 3 years = ?
2Amount on $6,000 at 5% for 2 years = ?
3SI on $2,500 at 8% for 4 years = ?
4Rate if $1,000 earns $150 SI in 3 years = ?
🧮 Section B · Problem Solving ● INTERMEDIATE 2 + 3×3 = 11
5Simple interest = (P × R × T) / .
6Amount = Principal + .
7Find SI on $4,000 at 7% for 3 years.
8Find the amount for $6,000 at 5% for 2 years.
9Find SI on $2,500 at 8% for 4 years.
🚀 Section C · Challenge ● CHALLENGE 5
10Find the rate if $1,000 earns $150 SI in 3 years.
💭 Reflection — the most useful thing I learned:
A ___/4 B ___/11 C ___/5 Total ___/20
Teacher's Signature
Parent's Signature
✂ answer key — fold or cut before handing out
1-A 2-A 3-A 4-A | 5 100 6 Interest 7 = $840 8 = $6,600 9 = $800 | 10 = 5%