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Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 527 · 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. 1.981 × 965 =
  2. 2.13 × 13 =
  3. 3.115 × 99 =
  4. 4.1024 × 1014 =
  5. 5.113 × 111 =
  6. 6.12 × 14 =
  7. 7.105 × 96 =
  8. 8.92 × 86 =
  9. 9.12 × 13 =
  10. 10.1027 × 1012 =
  11. 11.11 × 12 =
  12. 12.1005 × 960 =
  13. 13.11 × 11 =
  14. 14.93 × 89 =
  15. 15.1037 × 993 =
  16. 16.112 × 89 =
  17. 17.92 × 92 =
  18. 18.965 × 977 =
  19. 19.93 × 93 =
  20. 20.87 × 99 =
  21. 21.993 × 979 =
  22. 22.107 × 112 =
  23. 23.101 × 102 =
  24. 24.96 × 88 =
  25. 25.11 × 12 =
  26. 26.93 × 91 =
  27. 27.11 × 7 =
  28. 28.7 × 9 =
  29. 29.6 × 7 =
  30. 30.114 × 105 =
  31. 31.6 × 6 =
  32. 32.110 × 104 =
  33. 33.86 × 91 =
  34. 34.13 × 7 =
  35. 35.87 × 96 =
  36. 36.107 × 101 =
  37. 37.93 × 85 =
  38. 38.980 × 969 =
  39. 39.1002 × 1023 =
  40. 40.6 × 9 =

Answer key

  1. 946665
  2. 169
  3. 11385
  4. 1038336
  5. 12543
  6. 168
  7. 10080
  8. 7912
  9. 156
  10. 1039324
  11. 132
  12. 964800
  13. 121
  14. 8277
  15. 1029741
  16. 9968
  17. 8464
  18. 942805
  19. 8649
  20. 8613
  21. 972147
  22. 11984
  23. 10302
  24. 8448
  25. 132
  26. 8463
  27. 77
  28. 63
  29. 42
  30. 11970
  31. 36
  32. 11440
  33. 7826
  34. 91
  35. 8352
  36. 10807
  37. 7905
  38. 949620
  39. 1025046
  40. 54

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