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Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 941 · 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. 1.88 × 98 =
  2. 2.985 × 999 =
  3. 3.8 × 9 =
  4. 4.89 × 96 =
  5. 5.114 × 109 =
  6. 6.103 × 95 =
  7. 7.104 × 97 =
  8. 8.86 × 85 =
  9. 9.7 × 6 =
  10. 10.99 × 85 =
  11. 11.104 × 108 =
  12. 12.104 × 109 =
  13. 13.110 × 106 =
  14. 14.113 × 98 =
  15. 15.85 × 99 =
  16. 16.9 × 7 =
  17. 17.91 × 90 =
  18. 18.104 × 90 =
  19. 19.7 × 8 =
  20. 20.110 × 103 =
  21. 21.969 × 988 =
  22. 22.13 × 9 =
  23. 23.98 × 91 =
  24. 24.104 × 115 =
  25. 25.7 × 7 =
  26. 26.9 × 9 =
  27. 27.14 × 12 =
  28. 28.101 × 104 =
  29. 29.7 × 9 =
  30. 30.9 × 8 =
  31. 31.104 × 101 =
  32. 32.104 × 99 =
  33. 33.6 × 6 =
  34. 34.106 × 88 =
  35. 35.999 × 974 =
  36. 36.111 × 94 =
  37. 37.102 × 110 =
  38. 38.9 × 7 =
  39. 39.13 × 11 =
  40. 40.112 × 90 =

Answer key

  1. 8624
  2. 984015
  3. 72
  4. 8544
  5. 12426
  6. 9785
  7. 10088
  8. 7310
  9. 42
  10. 8415
  11. 11232
  12. 11336
  13. 11660
  14. 11074
  15. 8415
  16. 63
  17. 8190
  18. 9360
  19. 56
  20. 11330
  21. 957372
  22. 117
  23. 8918
  24. 11960
  25. 49
  26. 81
  27. 168
  28. 10504
  29. 63
  30. 72
  31. 10504
  32. 10296
  33. 36
  34. 9328
  35. 973026
  36. 10434
  37. 11220
  38. 63
  39. 143
  40. 10080

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