Vacation with My Nani Maa
CBSE · Class 3 · Mathematics
All formulas from Vacation with My Nani Maa in CBSE Class 3 Mathematics. Key equations, constants, and identities for board exam preparation.
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Formulas
1. Addition and Subtraction Story Sums
7 Balushahi + 5 Balushahi = 12 Balushahi
7 Balushahi - 5 Balushahi = 2 Balushahi
9 story books + 7 puzzle books = 16 books
22 Stamps + 30 Stamps = 52 Stamps
25 red radishes + 36 white radishes = 61 radishes
2. Magic Marble or Seed Trick
Hidden seeds = Total seeds - Seeds on the table
15 - 12 = 3
17 - 10 = 7
19 - 8 = 11
20 - 9 = 11
3. Tens Frame Facts
6 + 8 = 14
5 + 10 = 15
9 - 6 = 3
18 - 9 = 9
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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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