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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 875 · 40 sums
TalentJR

The trick (Yavadunam): Left part: the number + twice the difference. Middle part: 3 × the difference squared. Right part: the difference cubed. Each right-hand part has as many digits as the base has zeros — carry the extra, borrow if a part is negative.

NameDateTime takenScore ___ / 40
  1. 1.96³ =
  2. 2.91³ =
  3. 3.1009³ =
  4. 4.107³ =
  5. 5.95³ =
  6. 6.1010³ =
  7. 7.981³ =
  8. 8.99³ =
  9. 9.996³ =
  10. 10.94³ =
  11. 11.93³ =
  12. 12.102³ =
  13. 13.98³ =
  14. 14.1004³ =
  15. 15.103³ =
  16. 16.991³ =
  17. 17.99³ =
  18. 18.107³ =
  19. 19.107³ =
  20. 20.990³ =
  21. 21.986³ =
  22. 22.101³ =
  23. 23.992³ =
  24. 24.998³ =
  25. 25.1013³ =
  26. 26.98³ =
  27. 27.1019³ =
  28. 28.1015³ =
  29. 29.993³ =
  30. 30.95³ =
  31. 31.109³ =
  32. 32.99³ =
  33. 33.991³ =
  34. 34.93³ =
  35. 35.104³ =
  36. 36.998³ =
  37. 37.1006³ =
  38. 38.1020³ =
  39. 39.95³ =
  40. 40.97³ =

Answer key

  1. 884736
  2. 753571
  3. 1027243729
  4. 1225043
  5. 857375
  6. 1030301000
  7. 944076141
  8. 970299
  9. 988047936
  10. 830584
  11. 804357
  12. 1061208
  13. 941192
  14. 1012048064
  15. 1092727
  16. 973242271
  17. 970299
  18. 1225043
  19. 1225043
  20. 970299000
  21. 958585256
  22. 1030301
  23. 976191488
  24. 994011992
  25. 1039509197
  26. 941192
  27. 1058089859
  28. 1045678375
  29. 979146657
  30. 857375
  31. 1295029
  32. 970299
  33. 973242271
  34. 804357
  35. 1124864
  36. 994011992
  37. 1018108216
  38. 1061208000
  39. 857375
  40. 912673

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