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Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 608 · 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. 1.9 × 9 =
  2. 2.112 × 87 =
  3. 3.8 × 9 =
  4. 4.6 × 9 =
  5. 5.9 × 9 =
  6. 6.86 × 99 =
  7. 7.99 × 88 =
  8. 8.96 × 95 =
  9. 9.7 × 7 =
  10. 10.99 × 98 =
  11. 11.1028 × 998 =
  12. 12.88 × 89 =
  13. 13.14 × 8 =
  14. 14.109 × 98 =
  15. 15.1023 × 1027 =
  16. 16.90 × 90 =
  17. 17.9 × 8 =
  18. 18.1014 × 1013 =
  19. 19.11 × 13 =
  20. 20.8 × 7 =
  21. 21.11 × 11 =
  22. 22.91 × 99 =
  23. 23.115 × 113 =
  24. 24.101 × 106 =
  25. 25.106 × 87 =
  26. 26.95 × 90 =
  27. 27.113 × 96 =
  28. 28.14 × 12 =
  29. 29.14 × 14 =
  30. 30.114 × 115 =
  31. 31.94 × 93 =
  32. 32.11 × 12 =
  33. 33.105 × 93 =
  34. 34.92 × 96 =
  35. 35.110 × 103 =
  36. 36.8 × 6 =
  37. 37.95 × 98 =
  38. 38.7 × 9 =
  39. 39.101 × 112 =
  40. 40.89 × 95 =

Answer key

  1. 81
  2. 9744
  3. 72
  4. 54
  5. 81
  6. 8514
  7. 8712
  8. 9120
  9. 49
  10. 9702
  11. 1025944
  12. 7832
  13. 112
  14. 10682
  15. 1050621
  16. 8100
  17. 72
  18. 1027182
  19. 143
  20. 56
  21. 121
  22. 9009
  23. 12995
  24. 10706
  25. 9222
  26. 8550
  27. 10848
  28. 168
  29. 196
  30. 13110
  31. 8742
  32. 132
  33. 9765
  34. 8832
  35. 11330
  36. 48
  37. 9310
  38. 63
  39. 11312
  40. 8455

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