Useful Division Trick by "5" & "25"
Divide any number by 5 Tricks :
Divide any number by 5 — Super Shortcut:
Trick:
Multiply the number by 2, then put a decimal before the last digit.
Steps:
- Multiply the number by 2
- Place a decimal 1 digit from the right
Divide any number by 25 Tricks :
Divide any number by 25 — Shortcut Trick
Trick:
1. Multiply the number by 4, then put a decimal before the last 2 digits.
2. N/25 = N × 4/100 = N × 4 ÷ 100
So multiplying by 4 and shifting the decimal 2 places left