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Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 895 · 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. 2.8 × 9 =
  3. 3.1022 × 1002 =
  4. 4.86 × 85 =
  5. 5.8 × 6 =
  6. 6.114 × 112 =
  7. 7.1013 × 1032 =
  8. 8.89 × 86 =
  9. 9.12 × 11 =
  10. 10.1001 × 1021 =
  11. 11.1003 × 964 =
  12. 12.13 × 8 =
  13. 13.94 × 92 =
  14. 14.14 × 9 =
  15. 15.88 × 92 =
  16. 16.6 × 9 =
  17. 17.115 × 102 =
  18. 18.7 × 9 =
  19. 19.14 × 7 =
  20. 20.85 × 96 =
  21. 21.11 × 12 =
  22. 22.91 × 86 =
  23. 23.987 × 995 =
  24. 24.91 × 90 =
  25. 25.14 × 6 =
  26. 26.112 × 95 =
  27. 27.108 × 85 =
  28. 28.9 × 6 =
  29. 29.11 × 13 =
  30. 30.94 × 90 =
  31. 31.115 × 99 =
  32. 32.111 × 115 =
  33. 33.113 × 112 =
  34. 34.989 × 968 =
  35. 35.102 × 88 =
  36. 36.111 × 96 =
  37. 37.8 × 6 =
  38. 38.107 × 101 =
  39. 39.1012 × 1012 =
  40. 40.101 × 109 =

Answer key

  1. 81
  2. 72
  3. 1024044
  4. 7310
  5. 48
  6. 12768
  7. 1045416
  8. 7654
  9. 132
  10. 1022021
  11. 966892
  12. 104
  13. 8648
  14. 126
  15. 8096
  16. 54
  17. 11730
  18. 63
  19. 98
  20. 8160
  21. 132
  22. 7826
  23. 982065
  24. 8190
  25. 84
  26. 10640
  27. 9180
  28. 54
  29. 143
  30. 8460
  31. 11385
  32. 12765
  33. 12656
  34. 957352
  35. 8976
  36. 10656
  37. 48
  38. 10807
  39. 1024144
  40. 11009

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