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Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 733 · 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. 1.13 × 6 =
  2. 2.12 × 7 =
  3. 3.1036 × 1006 =
  4. 4.93 × 99 =
  5. 5.109 × 113 =
  6. 6.87 × 91 =
  7. 7.101 × 101 =
  8. 8.91 × 99 =
  9. 9.90 × 98 =
  10. 10.13 × 9 =
  11. 11.1007 × 1035 =
  12. 12.103 × 113 =
  13. 13.7 × 7 =
  14. 14.967 × 960 =
  15. 15.12 × 13 =
  16. 16.92 × 92 =
  17. 17.6 × 9 =
  18. 18.7 × 8 =
  19. 19.8 × 6 =
  20. 20.112 × 103 =
  21. 21.1002 × 1033 =
  22. 22.1003 × 1007 =
  23. 23.9 × 9 =
  24. 24.93 × 85 =
  25. 25.87 × 97 =
  26. 26.105 × 94 =
  27. 27.108 × 106 =
  28. 28.85 × 91 =
  29. 29.110 × 108 =
  30. 30.107 × 114 =
  31. 31.1010 × 972 =
  32. 32.115 × 101 =
  33. 33.114 × 94 =
  34. 34.1019 × 1019 =
  35. 35.12 × 7 =
  36. 36.107 × 114 =
  37. 37.11 × 13 =
  38. 38.114 × 114 =
  39. 39.112 × 115 =
  40. 40.107 × 104 =

Answer key

  1. 78
  2. 84
  3. 1042216
  4. 9207
  5. 12317
  6. 7917
  7. 10201
  8. 9009
  9. 8820
  10. 117
  11. 1042245
  12. 11639
  13. 49
  14. 928320
  15. 156
  16. 8464
  17. 54
  18. 56
  19. 48
  20. 11536
  21. 1035066
  22. 1010021
  23. 81
  24. 7905
  25. 8439
  26. 9870
  27. 11448
  28. 7735
  29. 11880
  30. 12198
  31. 981720
  32. 11615
  33. 10716
  34. 1038361
  35. 84
  36. 12198
  37. 143
  38. 12996
  39. 12880
  40. 11128

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