Operations with Integers
CBSE · Class 7 · Mathematics
All formulas from Operations with Integers in CBSE Class 7 Mathematics. Key equations, constants, and identities for board exam preparation.
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Formulas
1. Integers on a Number Line
P = a + b
2. Multiplication of Integers
4 × (-2) = -8
(-4) × 2 = -8
(-4) × (-2) = 8
1 × a = a
-1 × a = -a
3. Division of Integers
a ÷ -b = -(a ÷ b)
-a ÷ b = -(a ÷ b)
-a ÷ -b = a ÷ b
4. Patterns, Signs, and Properties
-1 multiplied 2 or 4 times → Positive product
-1 multiplied 3 or 5 times → Negative product
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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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