Addition
ICSE · Class 3 · Mathematics
All formulas from Addition in ICSE Class 3 Mathematics. Key equations, constants, and identities for board exam preparation.
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Formulas
Addition Without Carry Over
A + B = Sum (no carry)
Addition With Carry Over
Digit A + Digit B ≥ 10 → Carry 1 to next column
Adding 3-digit and 4-digit Numbers
3-digit + 4-digit = 4-digit (usually)
Adding Three or More Numbers
A + B + C = Total Sum
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