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Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 984 · 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. 1.101 × 103 =
  2. 2.87 × 90 =
  3. 3.111 × 110 =
  4. 4.88 × 99 =
  5. 5.103 × 106 =
  6. 6.104 × 95 =
  7. 7.106 × 99 =
  8. 8.115 × 101 =
  9. 9.14 × 12 =
  10. 10.98 × 90 =
  11. 11.9 × 7 =
  12. 12.1031 × 977 =
  13. 13.9 × 6 =
  14. 14.976 × 977 =
  15. 15.115 × 97 =
  16. 16.105 × 108 =
  17. 17.86 × 87 =
  18. 18.111 × 90 =
  19. 19.111 × 85 =
  20. 20.97 × 86 =
  21. 21.1036 × 1032 =
  22. 22.85 × 89 =
  23. 23.90 × 85 =
  24. 24.12 × 7 =
  25. 25.110 × 97 =
  26. 26.9 × 7 =
  27. 27.1034 × 978 =
  28. 28.101 × 102 =
  29. 29.8 × 6 =
  30. 30.1004 × 1028 =
  31. 31.94 × 97 =
  32. 32.11 × 7 =
  33. 33.13 × 9 =
  34. 34.1012 × 1008 =
  35. 35.102 × 89 =
  36. 36.89 × 99 =
  37. 37.102 × 93 =
  38. 38.96 × 92 =
  39. 39.1024 × 986 =
  40. 40.112 × 97 =

Answer key

  1. 10403
  2. 7830
  3. 12210
  4. 8712
  5. 10918
  6. 9880
  7. 10494
  8. 11615
  9. 168
  10. 8820
  11. 63
  12. 1007287
  13. 54
  14. 953552
  15. 11155
  16. 11340
  17. 7482
  18. 9990
  19. 9435
  20. 8342
  21. 1069152
  22. 7565
  23. 7650
  24. 84
  25. 10670
  26. 63
  27. 1011252
  28. 10302
  29. 48
  30. 1032112
  31. 9118
  32. 77
  33. 117
  34. 1020096
  35. 9078
  36. 8811
  37. 9486
  38. 8832
  39. 1009664
  40. 10864

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