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Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 565 · 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 × 9 =
  2. 2.978 × 996 =
  3. 3.1018 × 1010 =
  4. 4.13 × 7 =
  5. 5.1006 × 1021 =
  6. 6.101 × 107 =
  7. 7.106 × 99 =
  8. 8.996 × 999 =
  9. 9.8 × 6 =
  10. 10.94 × 86 =
  11. 11.88 × 93 =
  12. 12.11 × 9 =
  13. 13.1016 × 984 =
  14. 14.102 × 103 =
  15. 15.983 × 986 =
  16. 16.13 × 13 =
  17. 17.991 × 974 =
  18. 18.1037 × 979 =
  19. 19.13 × 14 =
  20. 20.8 × 9 =
  21. 21.11 × 8 =
  22. 22.90 × 88 =
  23. 23.13 × 11 =
  24. 24.94 × 86 =
  25. 25.108 × 114 =
  26. 26.12 × 12 =
  27. 27.101 × 103 =
  28. 28.12 × 6 =
  29. 29.111 × 93 =
  30. 30.12 × 6 =
  31. 31.1030 × 1021 =
  32. 32.7 × 6 =
  33. 33.1039 × 1021 =
  34. 34.103 × 96 =
  35. 35.12 × 11 =
  36. 36.90 × 94 =
  37. 37.103 × 114 =
  38. 38.92 × 90 =
  39. 39.95 × 91 =
  40. 40.101 × 91 =

Answer key

  1. 81
  2. 974088
  3. 1028180
  4. 91
  5. 1027126
  6. 10807
  7. 10494
  8. 995004
  9. 48
  10. 8084
  11. 8184
  12. 99
  13. 999744
  14. 10506
  15. 969238
  16. 169
  17. 965234
  18. 1015223
  19. 182
  20. 72
  21. 88
  22. 7920
  23. 143
  24. 8084
  25. 12312
  26. 144
  27. 10403
  28. 72
  29. 10323
  30. 72
  31. 1051630
  32. 42
  33. 1060819
  34. 9888
  35. 132
  36. 8460
  37. 11742
  38. 8280
  39. 8645
  40. 9191

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