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Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 874 · 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 × 8 =
  2. 2.112 × 99 =
  3. 3.104 × 113 =
  4. 4.86 × 85 =
  5. 5.87 × 85 =
  6. 6.7 × 8 =
  7. 7.6 × 7 =
  8. 8.974 × 993 =
  9. 9.105 × 101 =
  10. 10.112 × 107 =
  11. 11.113 × 93 =
  12. 12.99 × 89 =
  13. 13.88 × 85 =
  14. 14.92 × 95 =
  15. 15.14 × 8 =
  16. 16.8 × 9 =
  17. 17.89 × 90 =
  18. 18.976 × 969 =
  19. 19.87 × 87 =
  20. 20.94 × 99 =
  21. 21.8 × 7 =
  22. 22.104 × 108 =
  23. 23.9 × 9 =
  24. 24.112 × 112 =
  25. 25.94 × 88 =
  26. 26.93 × 87 =
  27. 27.1040 × 976 =
  28. 28.971 × 991 =
  29. 29.9 × 9 =
  30. 30.6 × 8 =
  31. 31.91 × 88 =
  32. 32.93 × 93 =
  33. 33.110 × 97 =
  34. 34.114 × 111 =
  35. 35.1023 × 977 =
  36. 36.8 × 8 =
  37. 37.102 × 90 =
  38. 38.115 × 102 =
  39. 39.14 × 12 =
  40. 40.11 × 9 =

Answer key

  1. 72
  2. 11088
  3. 11752
  4. 7310
  5. 7395
  6. 56
  7. 42
  8. 967182
  9. 10605
  10. 11984
  11. 10509
  12. 8811
  13. 7480
  14. 8740
  15. 112
  16. 72
  17. 8010
  18. 945744
  19. 7569
  20. 9306
  21. 56
  22. 11232
  23. 81
  24. 12544
  25. 8272
  26. 8091
  27. 1015040
  28. 962261
  29. 81
  30. 48
  31. 8008
  32. 8649
  33. 10670
  34. 12654
  35. 999471
  36. 64
  37. 9180
  38. 11730
  39. 168
  40. 99

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