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Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 971 · 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. 1.6 × 7 =
  2. 2.93 × 90 =
  3. 3.114 × 105 =
  4. 4.14 × 8 =
  5. 5.109 × 96 =
  6. 6.1035 × 1019 =
  7. 7.1037 × 995 =
  8. 8.995 × 966 =
  9. 9.8 × 9 =
  10. 10.112 × 99 =
  11. 11.99 × 94 =
  12. 12.103 × 94 =
  13. 13.108 × 103 =
  14. 14.9 × 7 =
  15. 15.85 × 89 =
  16. 16.12 × 6 =
  17. 17.997 × 972 =
  18. 18.105 × 95 =
  19. 19.12 × 13 =
  20. 20.114 × 92 =
  21. 21.96 × 86 =
  22. 22.13 × 9 =
  23. 23.105 × 89 =
  24. 24.990 × 975 =
  25. 25.983 × 992 =
  26. 26.985 × 982 =
  27. 27.1007 × 992 =
  28. 28.97 × 90 =
  29. 29.1019 × 1001 =
  30. 30.92 × 93 =
  31. 31.11 × 13 =
  32. 32.983 × 964 =
  33. 33.7 × 9 =
  34. 34.89 × 87 =
  35. 35.14 × 14 =
  36. 36.1039 × 971 =
  37. 37.6 × 9 =
  38. 38.977 × 964 =
  39. 39.14 × 11 =
  40. 40.105 × 91 =

Answer key

  1. 42
  2. 8370
  3. 11970
  4. 112
  5. 10464
  6. 1054665
  7. 1031815
  8. 961170
  9. 72
  10. 11088
  11. 9306
  12. 9682
  13. 11124
  14. 63
  15. 7565
  16. 72
  17. 969084
  18. 9975
  19. 156
  20. 10488
  21. 8256
  22. 117
  23. 9345
  24. 965250
  25. 975136
  26. 967270
  27. 998944
  28. 8730
  29. 1020019
  30. 8556
  31. 143
  32. 947612
  33. 63
  34. 7743
  35. 196
  36. 1008869
  37. 54
  38. 941828
  39. 154
  40. 9555

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