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Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 70 · 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 × 85 =
  2. 2.87 × 98 =
  3. 3.12 × 9 =
  4. 4.12 × 8 =
  5. 5.112 × 104 =
  6. 6.108 × 115 =
  7. 7.13 × 6 =
  8. 8.1004 × 1012 =
  9. 9.8 × 8 =
  10. 10.13 × 6 =
  11. 11.979 × 981 =
  12. 12.1002 × 1018 =
  13. 13.114 × 102 =
  14. 14.12 × 12 =
  15. 15.11 × 11 =
  16. 16.112 × 111 =
  17. 17.105 × 103 =
  18. 18.13 × 6 =
  19. 19.14 × 13 =
  20. 20.109 × 97 =
  21. 21.102 × 85 =
  22. 22.93 × 86 =
  23. 23.94 × 97 =
  24. 24.1005 × 975 =
  25. 25.111 × 107 =
  26. 26.113 × 88 =
  27. 27.11 × 13 =
  28. 28.1012 × 976 =
  29. 29.11 × 9 =
  30. 30.95 × 87 =
  31. 31.1004 × 1037 =
  32. 32.14 × 13 =
  33. 33.8 × 9 =
  34. 34.7 × 7 =
  35. 35.9 × 9 =
  36. 36.102 × 111 =
  37. 37.104 × 88 =
  38. 38.114 × 85 =
  39. 39.95 × 97 =
  40. 40.114 × 104 =

Answer key

  1. 8755
  2. 8526
  3. 108
  4. 96
  5. 11648
  6. 12420
  7. 78
  8. 1016048
  9. 64
  10. 78
  11. 960399
  12. 1020036
  13. 11628
  14. 144
  15. 121
  16. 12432
  17. 10815
  18. 78
  19. 182
  20. 10573
  21. 8670
  22. 7998
  23. 9118
  24. 979875
  25. 11877
  26. 9944
  27. 143
  28. 987712
  29. 99
  30. 8265
  31. 1041148
  32. 182
  33. 72
  34. 49
  35. 81
  36. 11322
  37. 9152
  38. 9690
  39. 9215
  40. 11856

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