Long Division












Trick 1: D-M-S-B Rule



  • D → Divide (āĻ­āĻžāĻ— āĻ•ā§°āĻ•)

  • M → Multiply (āĻ—ā§āĻŖ āĻ•ā§°āĻ•)

  • S → Subtract (āĻŦāĻŋā§Ÿā§‹āĻ— āĻ•ā§°āĻ•)

  • B → Bring Down (āĻ¤āĻ˛āĻ˛ā§ˆ āĻ¨āĻžāĻŽāĻŋ āĻ†āĻ¨āĻ•)


Repeat D → M → S → B until finished.


Trick 2: Check Your Answer

Formula: Dividend = Divisor × Quotient + Remainder


Example: 3 × 329 + 0 = 987


MCQ


1. What is 864 ÷ 4 ?

A. 214 B. 216 C. 218 D. 220


Ans: B. 216


Explanation:
8 ÷ 4 = 2, bring down 6
6 ÷ 4 = 1 remainder 2
Bring down 4 → 24 ÷ 4 = 6


2. What is 735 ÷ 5 ?

A. 145 B. 147 C. 148 D. 150


Ans: B. 147


Explanation:
7 ÷ 5 = 1 remainder 2
23 ÷ 5 = 4 remainder 3
35 ÷ 5 = 7


Super Shortcut: For division by 10

  • 350 ÷ 10 = 35

  • 920 ÷ 10 = 92


Trick: Remove one zero.


For division by 100



  • 5400 ÷ 100 = 54

  • 8700 ÷ 100 = 87