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Revision Notes

Simple Interest

ICSE · Class 7 · Mathematics

Quick revision notes for Simple Interest — ICSE Class 7 Mathematics. Key concepts, formulas, and definitions for last-minute revision.

56 questions22 flashcards5 concepts

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Key Topics to Revise

1

1. Terms Used in Simple Interest

  • Simple interest and interest mean the same thing.
  • Principal is the money borrowed or lent.
  • Rate of interest is the interest on every ₹100 for a fixed period.
2

2. Formula Rearrangement and Use

  • The main formula can be rearranged to find principal, rate, or time.
  • These rearranged forms are useful in direct exam questions.
  • Always keep the same units for rate and time.
3

3. Time and Rate Rules

  • Time must match the rate unit.
  • If the rate is per year, time must be in years.
  • If the rate is per month, time must be in months.
4

4. Worked Examples and Short Methods

  • Example-type questions often ask for interest, amount, principal, time, or rate.
  • Sometimes a shortcut method is possible by using a simple assumed principal.
  • A sum can double in a fixed time, and the rate can be found from that fact.

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Full Notes

Key Concepts

Simple interest is the extra moneyPrincipal is the sum of moneyRate of interest is the interestTime period is the timeAmount is the sum of

Frequently Asked Questions

What are the important topics in Simple Interest for ICSE Class 7 Mathematics?
Simple Interest covers several key topics that are frequently asked in ICSE Class 7 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Simple Interest — ICSE Class 7 Mathematics?
Understand the core concepts first, then work through the 56 practice questions available for this chapter. Revise formulas and definitions regularly, and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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All 25 chapters — ICSE Class 7 Mathematics Revision Notes

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