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Chapter 12 of 15
Syllabus

Racing Seconds — Syllabus

CBSE · Class 5 · Mathematics

What Racing Seconds covers in CBSE Class 5 Mathematics: 4 topics, for the 2026-27 session. Part of the CBSE Class 5 Mathematics syllabus.

41 questions60 flashcards7 formulas & key relations5 concepts

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4 Topics · CBSE Class 5 Mathematics · 2026-27

Topics in Racing Seconds

1

1. Seconds for very short activities

  • Seconds are used for very quick actions.
  • Blinking of eyes is estimated in seconds or minutes.
  • Melting of an ice-cube is estimated in seconds or minutes.
2

2. Comparing race times

  • Akira, Sunita, and Mary are participating in a 200 m walking race.
  • In a race, small differences in seconds decide the winner.
  • Each participant took 1 minute but how much more? means the extra seconds must be found.
3

3. Time taken for activities in seconds

  • Raghav took 60 seconds to move from his home to the garden.
  • Raghu took 20 seconds to read a sentence in his book.
  • Rani took 30 seconds to color a rectangle.
4

4. Hours, minutes, and daily time problems

  • Raghav studies Mathematics, English, Hindi, and The World Around Us, taking 50 minutes for each subject.
  • Total study time = 4 × 50 minutes = 200 minutes.
  • 200 minutes = 3 hours 20 minutes.

Key Concepts

Central concept: Time measurement in seconds and minutes, and finding elapsed time using hours, minutes, and seconds

SecondsMinutesHours and minutes12-hour and 24-hour timeElapsed timeConversionsReal-life time problems

Work through every topic in Racing Seconds with notes and quizzes

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Frequently Asked Questions

What are the important topics in Racing Seconds for CBSE Class 5 Mathematics?
Key topics in Racing Seconds include Seconds for very short activities, Comparing race times, Time taken for activities in seconds, Hours, minutes, and daily time problems. Study these first, then practise questions on each for Class 5 exams.
How should I revise Racing Seconds for Class 5 exams?
Learn the core ideas first, then work through the 41 practice questions on Racing Seconds. Revise 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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