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Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 985 · 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. 1.115 × 85 =
  2. 2.104 × 104 =
  3. 3.13 × 7 =
  4. 4.14 × 12 =
  5. 5.91 × 91 =
  6. 6.103 × 112 =
  7. 7.95 × 98 =
  8. 8.1021 × 966 =
  9. 9.113 × 97 =
  10. 10.111 × 113 =
  11. 11.13 × 12 =
  12. 12.105 × 101 =
  13. 13.1040 × 992 =
  14. 14.14 × 11 =
  15. 15.985 × 974 =
  16. 16.99 × 98 =
  17. 17.14 × 12 =
  18. 18.108 × 94 =
  19. 19.14 × 13 =
  20. 20.102 × 114 =
  21. 21.93 × 94 =
  22. 22.1023 × 1025 =
  23. 23.115 × 87 =
  24. 24.6 × 7 =
  25. 25.113 × 109 =
  26. 26.105 × 110 =
  27. 27.96 × 94 =
  28. 28.87 × 85 =
  29. 29.114 × 106 =
  30. 30.113 × 111 =
  31. 31.12 × 13 =
  32. 32.9 × 8 =
  33. 33.13 × 11 =
  34. 34.9 × 9 =
  35. 35.12 × 7 =
  36. 36.112 × 98 =
  37. 37.111 × 110 =
  38. 38.107 × 104 =
  39. 39.105 × 109 =
  40. 40.108 × 101 =

Answer key

  1. 9775
  2. 10816
  3. 91
  4. 168
  5. 8281
  6. 11536
  7. 9310
  8. 986286
  9. 10961
  10. 12543
  11. 156
  12. 10605
  13. 1031680
  14. 154
  15. 959390
  16. 9702
  17. 168
  18. 10152
  19. 182
  20. 11628
  21. 8742
  22. 1048575
  23. 10005
  24. 42
  25. 12317
  26. 11550
  27. 9024
  28. 7395
  29. 12084
  30. 12543
  31. 156
  32. 72
  33. 143
  34. 81
  35. 84
  36. 10976
  37. 12210
  38. 11128
  39. 11445
  40. 10908

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