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Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 514 · 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. 1.12 × 12 =
  2. 2.987 × 985 =
  3. 3.1026 × 1024 =
  4. 4.12 × 14 =
  5. 5.8 × 9 =
  6. 6.107 × 85 =
  7. 7.6 × 8 =
  8. 8.111 × 106 =
  9. 9.106 × 95 =
  10. 10.13 × 7 =
  11. 11.107 × 96 =
  12. 12.990 × 998 =
  13. 13.12 × 13 =
  14. 14.103 × 105 =
  15. 15.101 × 107 =
  16. 16.11 × 6 =
  17. 17.85 × 97 =
  18. 18.7 × 8 =
  19. 19.111 × 97 =
  20. 20.1005 × 998 =
  21. 21.996 × 974 =
  22. 22.997 × 991 =
  23. 23.93 × 91 =
  24. 24.111 × 86 =
  25. 25.1012 × 975 =
  26. 26.97 × 95 =
  27. 27.87 × 87 =
  28. 28.1016 × 1002 =
  29. 29.13 × 9 =
  30. 30.1015 × 1001 =
  31. 31.962 × 998 =
  32. 32.8 × 6 =
  33. 33.107 × 108 =
  34. 34.9 × 7 =
  35. 35.91 × 85 =
  36. 36.9 × 7 =
  37. 37.1016 × 1021 =
  38. 38.105 × 115 =
  39. 39.99 × 91 =
  40. 40.12 × 14 =

Answer key

  1. 144
  2. 972195
  3. 1050624
  4. 168
  5. 72
  6. 9095
  7. 48
  8. 11766
  9. 10070
  10. 91
  11. 10272
  12. 988020
  13. 156
  14. 10815
  15. 10807
  16. 66
  17. 8245
  18. 56
  19. 10767
  20. 1002990
  21. 970104
  22. 988027
  23. 8463
  24. 9546
  25. 986700
  26. 9215
  27. 7569
  28. 1018032
  29. 117
  30. 1016015
  31. 960076
  32. 48
  33. 11556
  34. 63
  35. 7735
  36. 63
  37. 1037336
  38. 12075
  39. 9009
  40. 168

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