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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 126 · 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. 1.107³ =
  2. 2.989³ =
  3. 3.105³ =
  4. 4.105³ =
  5. 5.1016³ =
  6. 6.98³ =
  7. 7.1006³ =
  8. 8.109³ =
  9. 9.102³ =
  10. 10.109³ =
  11. 11.97³ =
  12. 12.98³ =
  13. 13.96³ =
  14. 14.98³ =
  15. 15.109³ =
  16. 16.1005³ =
  17. 17.91³ =
  18. 18.95³ =
  19. 19.1006³ =
  20. 20.986³ =
  21. 21.98³ =
  22. 22.95³ =
  23. 23.1013³ =
  24. 24.94³ =
  25. 25.101³ =
  26. 26.993³ =
  27. 27.108³ =
  28. 28.981³ =
  29. 29.102³ =
  30. 30.97³ =
  31. 31.984³ =
  32. 32.1007³ =
  33. 33.99³ =
  34. 34.93³ =
  35. 35.986³ =
  36. 36.1010³ =
  37. 37.102³ =
  38. 38.102³ =
  39. 39.96³ =
  40. 40.97³ =

Answer key

  1. 1225043
  2. 967361669
  3. 1157625
  4. 1157625
  5. 1048772096
  6. 941192
  7. 1018108216
  8. 1295029
  9. 1061208
  10. 1295029
  11. 912673
  12. 941192
  13. 884736
  14. 941192
  15. 1295029
  16. 1015075125
  17. 753571
  18. 857375
  19. 1018108216
  20. 958585256
  21. 941192
  22. 857375
  23. 1039509197
  24. 830584
  25. 1030301
  26. 979146657
  27. 1259712
  28. 944076141
  29. 1061208
  30. 912673
  31. 952763904
  32. 1021147343
  33. 970299
  34. 804357
  35. 958585256
  36. 1030301000
  37. 1061208
  38. 1061208
  39. 884736
  40. 912673

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