Rounding Off Estimations
ICSE · Class 5 · Mathematics
All formulas from Rounding Off Estimations in ICSE Class 5 Mathematics. Key equations, constants, and identities for board exam preparation.
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Formulas
Rounding Off Rules
If digit ≥ 5 → round up by 1, else keep same
Estimation in Operations
Estimated Sum = Sum of rounded numbers
Estimated Difference = Rounded minuend – Rounded subtrahend
Estimated Product = Rounded multiplicand × Rounded multiplier
Estimated Quotient = Rounded dividend ÷ Rounded divisor
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