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Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 712 · 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. 1.103 × 90 =
  2. 2.99 × 87 =
  3. 3.114 × 98 =
  4. 4.97 × 86 =
  5. 5.89 × 98 =
  6. 6.88 × 95 =
  7. 7.13 × 9 =
  8. 8.992 × 963 =
  9. 9.1029 × 1008 =
  10. 10.90 × 88 =
  11. 11.8 × 7 =
  12. 12.6 × 8 =
  13. 13.14 × 8 =
  14. 14.93 × 93 =
  15. 15.91 × 92 =
  16. 16.11 × 14 =
  17. 17.14 × 14 =
  18. 18.1028 × 980 =
  19. 19.1005 × 1034 =
  20. 20.976 × 960 =
  21. 21.9 × 6 =
  22. 22.109 × 91 =
  23. 23.108 × 110 =
  24. 24.995 × 968 =
  25. 25.112 × 103 =
  26. 26.9 × 8 =
  27. 27.8 × 7 =
  28. 28.88 × 98 =
  29. 29.6 × 9 =
  30. 30.12 × 12 =
  31. 31.14 × 14 =
  32. 32.8 × 9 =
  33. 33.11 × 11 =
  34. 34.106 × 115 =
  35. 35.109 × 96 =
  36. 36.14 × 7 =
  37. 37.110 × 106 =
  38. 38.11 × 14 =
  39. 39.11 × 11 =
  40. 40.110 × 110 =

Answer key

  1. 9270
  2. 8613
  3. 11172
  4. 8342
  5. 8722
  6. 8360
  7. 117
  8. 955296
  9. 1037232
  10. 7920
  11. 56
  12. 48
  13. 112
  14. 8649
  15. 8372
  16. 154
  17. 196
  18. 1007440
  19. 1039170
  20. 936960
  21. 54
  22. 9919
  23. 11880
  24. 963160
  25. 11536
  26. 72
  27. 56
  28. 8624
  29. 54
  30. 144
  31. 196
  32. 72
  33. 121
  34. 12190
  35. 10464
  36. 98
  37. 11660
  38. 154
  39. 121
  40. 12100

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