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Time

ICSE · Class 3 · Mathematics

Quick revision notes for Time — ICSE Class 3 Mathematics. Key concepts, formulas, and definitions for last-minute revision.

54 questions30 flashcards5 concepts

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Key Topics to Revise

1

Reading Time on a Clock

  • A clock has two hands: the short hand is the hour hand, and the long hand is the minute hand.
  • When the minute hand is at 12, it is 'o'clock'.
  • When the minute hand is at 6, it is 'half past' the hour.
2

a.m. and p.m.

  • a.m. means from 12 midnight to 12 noon (morning time).
  • p.m. means from 12 noon to 12 midnight (afternoon and night time).
  • 8 a.m. is 8 in the morning, while 8 p.m. is 8 in the evening.
3

24-Hour Clock

  • The 24-hour clock counts from 00:00 (midnight) to 23:59.
  • From 1 p.m. to 11 p.m., add 12 to the 12-hour time to get 24-hour time.
  • a.m. times from 1 to 11 remain the same in 24-hour format (e.g., 7 a.m. = 07:00).
4

Converting Units of Time

  • 1 day = 24 hours
  • 1 hour = 60 minutes
  • 1 week = 7 days

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Full Notes

Key Concepts

A clock has two handsaIn the 241 day = 24 hoursA calendar shows days

Frequently Asked Questions

What are the important topics in Time for ICSE Class 3 Mathematics?
Time covers several key topics that are frequently asked in ICSE Class 3 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 — ICSE Class 3 Mathematics?
Understand the core concepts first, then work through the 54 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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