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Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 701 · 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. 1.14 × 11 =
  2. 2.97 × 89 =
  3. 3.104 × 98 =
  4. 4.109 × 85 =
  5. 5.1011 × 970 =
  6. 6.92 × 96 =
  7. 7.989 × 965 =
  8. 8.94 × 99 =
  9. 9.972 × 991 =
  10. 10.11 × 11 =
  11. 11.1001 × 1014 =
  12. 12.7 × 9 =
  13. 13.108 × 104 =
  14. 14.8 × 9 =
  15. 15.114 × 87 =
  16. 16.11 × 12 =
  17. 17.12 × 11 =
  18. 18.87 × 85 =
  19. 19.13 × 14 =
  20. 20.114 × 113 =
  21. 21.11 × 6 =
  22. 22.13 × 13 =
  23. 23.12 × 13 =
  24. 24.1026 × 961 =
  25. 25.97 × 85 =
  26. 26.12 × 11 =
  27. 27.114 × 106 =
  28. 28.979 × 982 =
  29. 29.113 × 90 =
  30. 30.96 × 96 =
  31. 31.14 × 7 =
  32. 32.86 × 93 =
  33. 33.112 × 109 =
  34. 34.8 × 8 =
  35. 35.104 × 85 =
  36. 36.8 × 9 =
  37. 37.101 × 114 =
  38. 38.106 × 90 =
  39. 39.112 × 106 =
  40. 40.105 × 99 =

Answer key

  1. 154
  2. 8633
  3. 10192
  4. 9265
  5. 980670
  6. 8832
  7. 954385
  8. 9306
  9. 963252
  10. 121
  11. 1015014
  12. 63
  13. 11232
  14. 72
  15. 9918
  16. 132
  17. 132
  18. 7395
  19. 182
  20. 12882
  21. 66
  22. 169
  23. 156
  24. 985986
  25. 8245
  26. 132
  27. 12084
  28. 961378
  29. 10170
  30. 9216
  31. 98
  32. 7998
  33. 12208
  34. 64
  35. 8840
  36. 72
  37. 11514
  38. 9540
  39. 11872
  40. 10395

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