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Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 802 · 40 sums
TalentJR

The trick (Nikhilam Navatashcaramam Dashatah): Write how far each number is from the base (− if below, + if above). Left part: cross-add — one number plus the other’s difference. Right part: multiply the two differences; it must have as many digits as the base has zeros (carry the extra). One above and one below? The right part is negative: take 1 from the left part and write base − that amount.

NameDateTime takenScore ___ / 40
  1. 1.103 × 103 =
  2. 2.102 × 113 =
  3. 3.976 × 989 =
  4. 4.96 × 91 =
  5. 5.101 × 111 =
  6. 6.11 × 6 =
  7. 7.114 × 98 =
  8. 8.97 × 86 =
  9. 9.114 × 111 =
  10. 10.1036 × 1034 =
  11. 11.13 × 6 =
  12. 12.94 × 94 =
  13. 13.111 × 109 =
  14. 14.96 × 97 =
  15. 15.1033 × 994 =
  16. 16.963 × 995 =
  17. 17.95 × 91 =
  18. 18.86 × 97 =
  19. 19.12 × 12 =
  20. 20.88 × 93 =
  21. 21.966 × 996 =
  22. 22.101 × 103 =
  23. 23.105 × 102 =
  24. 24.110 × 112 =
  25. 25.95 × 95 =
  26. 26.86 × 89 =
  27. 27.111 × 112 =
  28. 28.11 × 13 =
  29. 29.13 × 11 =
  30. 30.97 × 99 =
  31. 31.1029 × 995 =
  32. 32.1029 × 1013 =
  33. 33.90 × 92 =
  34. 34.14 × 11 =
  35. 35.999 × 971 =
  36. 36.96 × 89 =
  37. 37.13 × 14 =
  38. 38.112 × 107 =
  39. 39.91 × 96 =
  40. 40.106 × 104 =

Answer key

  1. 10609
  2. 11526
  3. 965264
  4. 8736
  5. 11211
  6. 66
  7. 11172
  8. 8342
  9. 12654
  10. 1071224
  11. 78
  12. 8836
  13. 12099
  14. 9312
  15. 1026802
  16. 958185
  17. 8645
  18. 8342
  19. 144
  20. 8184
  21. 962136
  22. 10403
  23. 10710
  24. 12320
  25. 9025
  26. 7654
  27. 12432
  28. 143
  29. 143
  30. 9603
  31. 1023855
  32. 1042377
  33. 8280
  34. 154
  35. 970029
  36. 8544
  37. 182
  38. 11984
  39. 8736
  40. 11024

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