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Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 6 · 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. 1.101 × 113 =
  2. 2.111 × 109 =
  3. 3.91 × 85 =
  4. 4.98 × 99 =
  5. 5.996 × 984 =
  6. 6.106 × 101 =
  7. 7.107 × 85 =
  8. 8.13 × 6 =
  9. 9.12 × 7 =
  10. 10.13 × 14 =
  11. 11.101 × 113 =
  12. 12.993 × 993 =
  13. 13.14 × 7 =
  14. 14.113 × 107 =
  15. 15.970 × 985 =
  16. 16.966 × 994 =
  17. 17.108 × 87 =
  18. 18.98 × 94 =
  19. 19.98 × 97 =
  20. 20.102 × 99 =
  21. 21.95 × 95 =
  22. 22.108 × 102 =
  23. 23.110 × 113 =
  24. 24.102 × 111 =
  25. 25.101 × 90 =
  26. 26.113 × 114 =
  27. 27.7 × 9 =
  28. 28.986 × 999 =
  29. 29.11 × 12 =
  30. 30.6 × 6 =
  31. 31.12 × 13 =
  32. 32.90 × 89 =
  33. 33.103 × 97 =
  34. 34.99 × 99 =
  35. 35.12 × 14 =
  36. 36.986 × 978 =
  37. 37.1009 × 962 =
  38. 38.9 × 7 =
  39. 39.1014 × 1006 =
  40. 40.960 × 962 =

Answer key

  1. 11413
  2. 12099
  3. 7735
  4. 9702
  5. 980064
  6. 10706
  7. 9095
  8. 78
  9. 84
  10. 182
  11. 11413
  12. 986049
  13. 98
  14. 12091
  15. 955450
  16. 960204
  17. 9396
  18. 9212
  19. 9506
  20. 10098
  21. 9025
  22. 11016
  23. 12430
  24. 11322
  25. 9090
  26. 12882
  27. 63
  28. 985014
  29. 132
  30. 36
  31. 156
  32. 8010
  33. 9991
  34. 9801
  35. 168
  36. 964308
  37. 970658
  38. 63
  39. 1020084
  40. 923520

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