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BEGINNERVedic Math
Subtract from 1000, 10000...
Quick trick to subtract any number from powers of 10
SSCIBPSCAT
Use the "All from 9, last from 10" rule (Nikhilam Sutra)
Formula
1000 - ABC = (9-A)(9-B)(10-C)How It Works
0
Subtract each digit from 9
1
Subtract LAST digit from 10
Examples
📝 1000 - 357: 9-3=6, 9-5=4, 10-7=3 → 643
📝 10000 - 7283: 9-7=2, 9-2=7, 9-8=1, 10-3=7 → 2717
Pro Tips
💡 If a digit is 0, subtract from 10 and carry 1 to the next digit
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