Decoration for Festival (Addition and Subtraction) — Formula Sheet
CBSE · Class 2 · Mathematics
6 formulas from Decoration for Festival (Addition and Subtraction) (CBSE Class 2 Mathematics) on one page, grouped by topic.
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Formulas and Key Relations
Addition by Expanded Form and Number Line
57 + 34 = 57 + 30 + 4
87 + 4 = 91
Subtraction and Taking Away
75 – 35 = 40
32 − 12 = 20
Key relations
One example is 23 + 14 = 37.
Examples include 75 – 35 = 40 and 32 − 12 = 20.
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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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