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Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 671 · 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 × 7 =
  2. 2.14 × 12 =
  3. 3.12 × 8 =
  4. 4.108 × 115 =
  5. 5.87 × 90 =
  6. 6.94 × 98 =
  7. 7.85 × 97 =
  8. 8.982 × 972 =
  9. 9.90 × 96 =
  10. 10.6 × 7 =
  11. 11.974 × 973 =
  12. 12.109 × 104 =
  13. 13.113 × 113 =
  14. 14.88 × 95 =
  15. 15.113 × 106 =
  16. 16.8 × 8 =
  17. 17.109 × 85 =
  18. 18.112 × 89 =
  19. 19.995 × 962 =
  20. 20.101 × 90 =
  21. 21.14 × 12 =
  22. 22.91 × 95 =
  23. 23.14 × 14 =
  24. 24.112 × 98 =
  25. 25.112 × 95 =
  26. 26.112 × 101 =
  27. 27.104 × 114 =
  28. 28.999 × 996 =
  29. 29.103 × 115 =
  30. 30.8 × 9 =
  31. 31.14 × 11 =
  32. 32.14 × 11 =
  33. 33.1005 × 1012 =
  34. 34.102 × 114 =
  35. 35.11 × 9 =
  36. 36.105 × 101 =
  37. 37.109 × 115 =
  38. 38.87 × 95 =
  39. 39.13 × 14 =
  40. 40.97 × 89 =

Answer key

  1. 63
  2. 168
  3. 96
  4. 12420
  5. 7830
  6. 9212
  7. 8245
  8. 954504
  9. 8640
  10. 42
  11. 947702
  12. 11336
  13. 12769
  14. 8360
  15. 11978
  16. 64
  17. 9265
  18. 9968
  19. 957190
  20. 9090
  21. 168
  22. 8645
  23. 196
  24. 10976
  25. 10640
  26. 11312
  27. 11856
  28. 995004
  29. 11845
  30. 72
  31. 154
  32. 154
  33. 1017060
  34. 11628
  35. 99
  36. 10605
  37. 12535
  38. 8265
  39. 182
  40. 8633

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