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Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 29 · 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. 1.94 × 90 =
  2. 2.11 × 13 =
  3. 3.104 × 98 =
  4. 4.13 × 7 =
  5. 5.90 × 88 =
  6. 6.86 × 86 =
  7. 7.110 × 115 =
  8. 8.92 × 96 =
  9. 9.13 × 8 =
  10. 10.1021 × 989 =
  11. 11.9 × 9 =
  12. 12.91 × 97 =
  13. 13.88 × 93 =
  14. 14.105 × 112 =
  15. 15.991 × 972 =
  16. 16.982 × 978 =
  17. 17.113 × 113 =
  18. 18.113 × 105 =
  19. 19.9 × 7 =
  20. 20.14 × 11 =
  21. 21.9 × 7 =
  22. 22.11 × 13 =
  23. 23.106 × 107 =
  24. 24.967 × 974 =
  25. 25.979 × 961 =
  26. 26.14 × 11 =
  27. 27.14 × 14 =
  28. 28.112 × 91 =
  29. 29.11 × 12 =
  30. 30.12 × 9 =
  31. 31.13 × 6 =
  32. 32.101 × 109 =
  33. 33.13 × 12 =
  34. 34.1022 × 1025 =
  35. 35.110 × 110 =
  36. 36.112 × 110 =
  37. 37.7 × 8 =
  38. 38.7 × 7 =
  39. 39.13 × 11 =
  40. 40.94 × 88 =

Answer key

  1. 8460
  2. 143
  3. 10192
  4. 91
  5. 7920
  6. 7396
  7. 12650
  8. 8832
  9. 104
  10. 1009769
  11. 81
  12. 8827
  13. 8184
  14. 11760
  15. 963252
  16. 960396
  17. 12769
  18. 11865
  19. 63
  20. 154
  21. 63
  22. 143
  23. 11342
  24. 941858
  25. 940819
  26. 154
  27. 196
  28. 10192
  29. 132
  30. 108
  31. 78
  32. 11009
  33. 156
  34. 1047550
  35. 12100
  36. 12320
  37. 56
  38. 49
  39. 143
  40. 8272

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