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Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 662 · 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. 1.86 × 87 =
  2. 2.13 × 8 =
  3. 3.102 × 87 =
  4. 4.1006 × 987 =
  5. 5.1002 × 1023 =
  6. 6.111 × 99 =
  7. 7.92 × 85 =
  8. 8.1034 × 987 =
  9. 9.961 × 972 =
  10. 10.1037 × 999 =
  11. 11.96 × 90 =
  12. 12.112 × 115 =
  13. 13.99 × 87 =
  14. 14.102 × 95 =
  15. 15.7 × 7 =
  16. 16.114 × 113 =
  17. 17.108 × 112 =
  18. 18.91 × 85 =
  19. 19.110 × 114 =
  20. 20.7 × 7 =
  21. 21.14 × 8 =
  22. 22.7 × 8 =
  23. 23.90 × 94 =
  24. 24.1033 × 960 =
  25. 25.7 × 7 =
  26. 26.12 × 8 =
  27. 27.996 × 972 =
  28. 28.98 × 92 =
  29. 29.110 × 115 =
  30. 30.991 × 999 =
  31. 31.93 × 90 =
  32. 32.109 × 112 =
  33. 33.110 × 93 =
  34. 34.97 × 98 =
  35. 35.992 × 991 =
  36. 36.999 × 972 =
  37. 37.6 × 9 =
  38. 38.94 × 89 =
  39. 39.94 × 91 =
  40. 40.997 × 982 =

Answer key

  1. 7482
  2. 104
  3. 8874
  4. 992922
  5. 1025046
  6. 10989
  7. 7820
  8. 1020558
  9. 934092
  10. 1035963
  11. 8640
  12. 12880
  13. 8613
  14. 9690
  15. 49
  16. 12882
  17. 12096
  18. 7735
  19. 12540
  20. 49
  21. 112
  22. 56
  23. 8460
  24. 991680
  25. 49
  26. 96
  27. 968112
  28. 9016
  29. 12650
  30. 990009
  31. 8370
  32. 12208
  33. 10230
  34. 9506
  35. 983072
  36. 971028
  37. 54
  38. 8366
  39. 8554
  40. 979054

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