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Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 602 · 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. 1.9 × 9 =
  2. 2.14 × 8 =
  3. 3.114 × 97 =
  4. 4.85 × 99 =
  5. 5.101 × 108 =
  6. 6.108 × 98 =
  7. 7.95 × 89 =
  8. 8.93 × 90 =
  9. 9.7 × 7 =
  10. 10.14 × 7 =
  11. 11.996 × 997 =
  12. 12.7 × 7 =
  13. 13.14 × 9 =
  14. 14.102 × 104 =
  15. 15.1034 × 1027 =
  16. 16.8 × 7 =
  17. 17.12 × 12 =
  18. 18.90 × 86 =
  19. 19.107 × 103 =
  20. 20.964 × 981 =
  21. 21.98 × 85 =
  22. 22.85 × 99 =
  23. 23.1038 × 1015 =
  24. 24.999 × 977 =
  25. 25.96 × 98 =
  26. 26.90 × 95 =
  27. 27.1039 × 976 =
  28. 28.13 × 6 =
  29. 29.107 × 105 =
  30. 30.105 × 86 =
  31. 31.102 × 103 =
  32. 32.12 × 8 =
  33. 33.14 × 6 =
  34. 34.974 × 964 =
  35. 35.104 × 87 =
  36. 36.113 × 86 =
  37. 37.1014 × 1036 =
  38. 38.97 × 90 =
  39. 39.109 × 103 =
  40. 40.1034 × 1009 =

Answer key

  1. 81
  2. 112
  3. 11058
  4. 8415
  5. 10908
  6. 10584
  7. 8455
  8. 8370
  9. 49
  10. 98
  11. 993012
  12. 49
  13. 126
  14. 10608
  15. 1061918
  16. 56
  17. 144
  18. 7740
  19. 11021
  20. 945684
  21. 8330
  22. 8415
  23. 1053570
  24. 976023
  25. 9408
  26. 8550
  27. 1014064
  28. 78
  29. 11235
  30. 9030
  31. 10506
  32. 96
  33. 84
  34. 938936
  35. 9048
  36. 9718
  37. 1050504
  38. 8730
  39. 11227
  40. 1043306

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