Double Century
CBSE · Class 3 · Mathematics
Complete topic list for Double Century in CBSE Class 3 Mathematics. Key concepts, sub-topics, and what to focus on for board exams.
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Topics in Double Century
1. The Story of Numbers
- People first counted by making marks on cave walls and tree barks.
- Later, people kept records by making groups of 5, 10, 20, and 60.
- Ancient Indians created a way to write any number using only ten symbols: 0 to 9.
2. Making 100
- 100 can be made by adding two numbers.
- 70 and 30 make 100.
- Bholu made 100 by jumping on 65 and then jumping 35 more.
3. Numbers Beyond 100
- 100 and 1 make 101, called One Hundred One.
- 100 and 2 make 102, called One Hundred Two.
- 100 and 10 make 110, called One Hundred Ten.
4. Clap, Snap, Pat Game
- Clap represents 100.
- Snap represents 10.
- Pat represents 1.
Key Concepts
Central concept: Writing and understanding numbers up to 200
Frequently Asked Questions
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Sources & Official References
- NCERT Official — ncert.nic.in
- CBSE Academic — cbseacademic.nic.in
- CBSE Official — cbse.gov.in
- National Education Policy 2020 — education.gov.in
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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