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Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 972 · 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. 1.99 × 92 =
  2. 2.6 × 7 =
  3. 3.1036 × 1030 =
  4. 4.8 × 6 =
  5. 5.104 × 98 =
  6. 6.113 × 85 =
  7. 7.8 × 9 =
  8. 8.1001 × 1013 =
  9. 9.99 × 90 =
  10. 10.108 × 105 =
  11. 11.109 × 112 =
  12. 12.14 × 8 =
  13. 13.11 × 13 =
  14. 14.97 × 99 =
  15. 15.96 × 99 =
  16. 16.8 × 8 =
  17. 17.94 × 95 =
  18. 18.7 × 9 =
  19. 19.12 × 6 =
  20. 20.113 × 104 =
  21. 21.97 × 99 =
  22. 22.102 × 104 =
  23. 23.102 × 109 =
  24. 24.91 × 99 =
  25. 25.98 × 95 =
  26. 26.9 × 9 =
  27. 27.11 × 12 =
  28. 28.103 × 88 =
  29. 29.103 × 104 =
  30. 30.6 × 7 =
  31. 31.113 × 101 =
  32. 32.95 × 86 =
  33. 33.6 × 6 =
  34. 34.114 × 111 =
  35. 35.114 × 91 =
  36. 36.106 × 86 =
  37. 37.980 × 990 =
  38. 38.107 × 91 =
  39. 39.102 × 97 =
  40. 40.96 × 96 =

Answer key

  1. 9108
  2. 42
  3. 1067080
  4. 48
  5. 10192
  6. 9605
  7. 72
  8. 1014013
  9. 8910
  10. 11340
  11. 12208
  12. 112
  13. 143
  14. 9603
  15. 9504
  16. 64
  17. 8930
  18. 63
  19. 72
  20. 11752
  21. 9603
  22. 10608
  23. 11118
  24. 9009
  25. 9310
  26. 81
  27. 132
  28. 9064
  29. 10712
  30. 42
  31. 11413
  32. 8170
  33. 36
  34. 12654
  35. 10374
  36. 9116
  37. 970200
  38. 9737
  39. 9894
  40. 9216

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