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Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 600 · 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. 1.11 × 9 =
  2. 2.1035 × 1034 =
  3. 3.101 × 97 =
  4. 4.14 × 13 =
  5. 5.9 × 6 =
  6. 6.7 × 9 =
  7. 7.96 × 87 =
  8. 8.115 × 87 =
  9. 9.8 × 9 =
  10. 10.101 × 114 =
  11. 11.112 × 112 =
  12. 12.1019 × 1016 =
  13. 13.11 × 11 =
  14. 14.13 × 12 =
  15. 15.1006 × 1025 =
  16. 16.85 × 87 =
  17. 17.1015 × 1003 =
  18. 18.92 × 94 =
  19. 19.107 × 110 =
  20. 20.111 × 96 =
  21. 21.96 × 99 =
  22. 22.106 × 97 =
  23. 23.102 × 101 =
  24. 24.111 × 106 =
  25. 25.6 × 8 =
  26. 26.112 × 98 =
  27. 27.12 × 6 =
  28. 28.101 × 99 =
  29. 29.972 × 978 =
  30. 30.112 × 103 =
  31. 31.111 × 90 =
  32. 32.97 × 89 =
  33. 33.11 × 7 =
  34. 34.975 × 962 =
  35. 35.89 × 93 =
  36. 36.104 × 96 =
  37. 37.6 × 6 =
  38. 38.113 × 105 =
  39. 39.90 × 90 =
  40. 40.104 × 103 =

Answer key

  1. 99
  2. 1070190
  3. 9797
  4. 182
  5. 54
  6. 63
  7. 8352
  8. 10005
  9. 72
  10. 11514
  11. 12544
  12. 1035304
  13. 121
  14. 156
  15. 1031150
  16. 7395
  17. 1018045
  18. 8648
  19. 11770
  20. 10656
  21. 9504
  22. 10282
  23. 10302
  24. 11766
  25. 48
  26. 10976
  27. 72
  28. 9999
  29. 950616
  30. 11536
  31. 9990
  32. 8633
  33. 77
  34. 937950
  35. 8277
  36. 9984
  37. 36
  38. 11865
  39. 8100
  40. 10712

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