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Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 666 · 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. 1.99 × 90 =
  2. 2.94 × 99 =
  3. 3.962 × 988 =
  4. 4.99 × 85 =
  5. 5.9 × 6 =
  6. 6.13 × 6 =
  7. 7.11 × 13 =
  8. 8.94 × 95 =
  9. 9.88 × 88 =
  10. 10.1036 × 995 =
  11. 11.92 × 86 =
  12. 12.112 × 104 =
  13. 13.104 × 106 =
  14. 14.8 × 6 =
  15. 15.97 × 95 =
  16. 16.112 × 86 =
  17. 17.8 × 9 =
  18. 18.98 × 98 =
  19. 19.111 × 103 =
  20. 20.99 × 87 =
  21. 21.93 × 93 =
  22. 22.12 × 9 =
  23. 23.9 × 7 =
  24. 24.1023 × 1011 =
  25. 25.113 × 110 =
  26. 26.109 × 95 =
  27. 27.88 × 85 =
  28. 28.107 × 112 =
  29. 29.8 × 9 =
  30. 30.12 × 13 =
  31. 31.115 × 92 =
  32. 32.106 × 88 =
  33. 33.1018 × 969 =
  34. 34.97 × 98 =
  35. 35.96 × 96 =
  36. 36.12 × 12 =
  37. 37.113 × 101 =
  38. 38.110 × 104 =
  39. 39.99 × 91 =
  40. 40.9 × 9 =

Answer key

  1. 8910
  2. 9306
  3. 950456
  4. 8415
  5. 54
  6. 78
  7. 143
  8. 8930
  9. 7744
  10. 1030820
  11. 7912
  12. 11648
  13. 11024
  14. 48
  15. 9215
  16. 9632
  17. 72
  18. 9604
  19. 11433
  20. 8613
  21. 8649
  22. 108
  23. 63
  24. 1034253
  25. 12430
  26. 10355
  27. 7480
  28. 11984
  29. 72
  30. 156
  31. 10580
  32. 9328
  33. 986442
  34. 9506
  35. 9216
  36. 144
  37. 11413
  38. 11440
  39. 9009
  40. 81

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