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INTERMEDIATEVedic Math

Multiply 3-Digit Numbers by 11

Extend the multiply-by-11 trick to three-digit numbers

SSCCAT

For ABC × 11, create a 4-digit number

Formula

ABC × 11 = A(A+B)(B+C)C

How It Works

0

Write first digit A

1

Add A+B for second digit

2

Add B+C for third digit

3

Write last digit C

4

Carry over if any sum > 9

Examples

📝 234 × 11: 2_(2+3)_(3+4)_4 = 2_5_7_4 = 2574

📝 456 × 11: 4_(4+5)_(5+6)_6 = 4_9_11_6 → 4_9_(+1)1_6 → 5016

Pro Tips

💡 Work right to left for carries: Start with C, then B+C, then A+B, then A

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