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Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 488 · 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. 1.94 × 90 =
  2. 2.104 × 85 =
  3. 3.1030 × 1012 =
  4. 4.107 × 97 =
  5. 5.14 × 13 =
  6. 6.91 × 92 =
  7. 7.88 × 85 =
  8. 8.1007 × 1033 =
  9. 9.103 × 103 =
  10. 10.11 × 8 =
  11. 11.86 × 87 =
  12. 12.969 × 996 =
  13. 13.1025 × 967 =
  14. 14.1038 × 967 =
  15. 15.8 × 9 =
  16. 16.108 × 113 =
  17. 17.85 × 91 =
  18. 18.1014 × 991 =
  19. 19.1004 × 1024 =
  20. 20.90 × 90 =
  21. 21.6 × 6 =
  22. 22.107 × 103 =
  23. 23.98 × 86 =
  24. 24.102 × 112 =
  25. 25.1025 × 1016 =
  26. 26.6 × 9 =
  27. 27.114 × 108 =
  28. 28.101 × 93 =
  29. 29.109 × 113 =
  30. 30.109 × 104 =
  31. 31.9 × 9 =
  32. 32.995 × 966 =
  33. 33.103 × 92 =
  34. 34.113 × 96 =
  35. 35.987 × 962 =
  36. 36.1009 × 1004 =
  37. 37.101 × 107 =
  38. 38.972 × 984 =
  39. 39.102 × 96 =
  40. 40.14 × 14 =

Answer key

  1. 8460
  2. 8840
  3. 1042360
  4. 10379
  5. 182
  6. 8372
  7. 7480
  8. 1040231
  9. 10609
  10. 88
  11. 7482
  12. 965124
  13. 991175
  14. 1003746
  15. 72
  16. 12204
  17. 7735
  18. 1004874
  19. 1028096
  20. 8100
  21. 36
  22. 11021
  23. 8428
  24. 11424
  25. 1041400
  26. 54
  27. 12312
  28. 9393
  29. 12317
  30. 11336
  31. 81
  32. 961170
  33. 9476
  34. 10848
  35. 949494
  36. 1013036
  37. 10807
  38. 956448
  39. 9792
  40. 196

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