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Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 362 · 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. 1.105 × 115 =
  2. 2.11 × 9 =
  3. 3.11 × 9 =
  4. 4.964 × 972 =
  5. 5.9 × 6 =
  6. 6.13 × 8 =
  7. 7.103 × 114 =
  8. 8.108 × 110 =
  9. 9.14 × 11 =
  10. 10.1013 × 1026 =
  11. 11.110 × 92 =
  12. 12.103 × 104 =
  13. 13.104 × 97 =
  14. 14.991 × 977 =
  15. 15.11 × 12 =
  16. 16.111 × 90 =
  17. 17.115 × 90 =
  18. 18.111 × 95 =
  19. 19.8 × 9 =
  20. 20.95 × 88 =
  21. 21.98 × 99 =
  22. 22.985 × 976 =
  23. 23.7 × 9 =
  24. 24.94 × 89 =
  25. 25.1030 × 964 =
  26. 26.94 × 86 =
  27. 27.96 × 97 =
  28. 28.105 × 103 =
  29. 29.88 × 87 =
  30. 30.114 × 101 =
  31. 31.12 × 12 =
  32. 32.7 × 9 =
  33. 33.6 × 6 =
  34. 34.109 × 96 =
  35. 35.1010 × 1022 =
  36. 36.104 × 91 =
  37. 37.110 × 103 =
  38. 38.101 × 106 =
  39. 39.12 × 12 =
  40. 40.108 × 99 =

Answer key

  1. 12075
  2. 99
  3. 99
  4. 937008
  5. 54
  6. 104
  7. 11742
  8. 11880
  9. 154
  10. 1039338
  11. 10120
  12. 10712
  13. 10088
  14. 968207
  15. 132
  16. 9990
  17. 10350
  18. 10545
  19. 72
  20. 8360
  21. 9702
  22. 961360
  23. 63
  24. 8366
  25. 992920
  26. 8084
  27. 9312
  28. 10815
  29. 7656
  30. 11514
  31. 144
  32. 63
  33. 36
  34. 10464
  35. 1032220
  36. 9464
  37. 11330
  38. 10706
  39. 144
  40. 10692

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