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Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 441 · 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. 1.88 × 86 =
  2. 2.1039 × 1029 =
  3. 3.1039 × 1032 =
  4. 4.89 × 98 =
  5. 5.7 × 7 =
  6. 6.1035 × 1033 =
  7. 7.98 × 86 =
  8. 8.966 × 970 =
  9. 9.995 × 977 =
  10. 10.106 × 85 =
  11. 11.99 × 86 =
  12. 12.1018 × 1003 =
  13. 13.104 × 106 =
  14. 14.1002 × 1022 =
  15. 15.96 × 94 =
  16. 16.104 × 86 =
  17. 17.14 × 12 =
  18. 18.113 × 88 =
  19. 19.113 × 99 =
  20. 20.96 × 90 =
  21. 21.96 × 91 =
  22. 22.13 × 14 =
  23. 23.101 × 88 =
  24. 24.111 × 93 =
  25. 25.92 × 97 =
  26. 26.96 × 90 =
  27. 27.13 × 14 =
  28. 28.12 × 7 =
  29. 29.96 × 94 =
  30. 30.112 × 112 =
  31. 31.13 × 6 =
  32. 32.97 × 99 =
  33. 33.86 × 96 =
  34. 34.964 × 990 =
  35. 35.85 × 99 =
  36. 36.97 × 85 =
  37. 37.978 × 994 =
  38. 38.960 × 972 =
  39. 39.1018 × 966 =
  40. 40.105 × 94 =

Answer key

  1. 7568
  2. 1069131
  3. 1072248
  4. 8722
  5. 49
  6. 1069155
  7. 8428
  8. 937020
  9. 972115
  10. 9010
  11. 8514
  12. 1021054
  13. 11024
  14. 1024044
  15. 9024
  16. 8944
  17. 168
  18. 9944
  19. 11187
  20. 8640
  21. 8736
  22. 182
  23. 8888
  24. 10323
  25. 8924
  26. 8640
  27. 182
  28. 84
  29. 9024
  30. 12544
  31. 78
  32. 9603
  33. 8256
  34. 954360
  35. 8415
  36. 8245
  37. 972132
  38. 933120
  39. 983388
  40. 9870

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