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Revision Notes

Time and Calendar

ICSE · Class 4 · Mathematics

Quick revision notes for Time and Calendar — ICSE Class 4 Mathematics. Key concepts, formulas, and definitions for last-minute revision.

44 questions30 flashcards4 concepts

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Key Topics to Revise

1

Telling Time Correct to the Nearest Minute

  • A clock has two hands: the shorter hour hand and the longer minute hand.
  • The minute hand moves from one number to the next in 5 minutes.
  • There are 60 minutes in 1 hour.
2

Conversions of Time

  • 60 seconds = 1 minute
  • 60 minutes = 1 hour
  • 24 hours = 1 day
3

Operations on Time Measures

  • We can add and subtract time just like numbers, but with carrying and borrowing across units.
  • When adding seconds, if total ≥ 60, convert to minutes and carry over.
  • When adding minutes, if total ≥ 60, convert to hours and carry over.
4

Calendar

  • A calendar shows days, weeks, and months of a year.
  • There are 12 months in a year.
  • Each month has 30 or 31 days, except February.

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Full Notes

Key Concepts

A clock has two handsWe know that 60 seconds =We can add or subtract timeA year has 12 months

Frequently Asked Questions

What are the important topics in Time and Calendar for ICSE Class 4 Mathematics?
Time and Calendar covers several key topics that are frequently asked in ICSE Class 4 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Time and Calendar — ICSE Class 4 Mathematics?
Understand the core concepts first, then work through the 44 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 17 chapters — ICSE Class 4 Mathematics Revision Notes

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