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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)CHow 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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