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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 486 · 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. 1.1015³ =
  2. 2.101³ =
  3. 3.1006³ =
  4. 4.91³ =
  5. 5.95³ =
  6. 6.104³ =
  7. 7.999³ =
  8. 8.99³ =
  9. 9.107³ =
  10. 10.108³ =
  11. 11.992³ =
  12. 12.986³ =
  13. 13.109³ =
  14. 14.105³ =
  15. 15.102³ =
  16. 16.992³ =
  17. 17.1009³ =
  18. 18.1010³ =
  19. 19.992³ =
  20. 20.105³ =
  21. 21.986³ =
  22. 22.98³ =
  23. 23.103³ =
  24. 24.1017³ =
  25. 25.993³ =
  26. 26.108³ =
  27. 27.93³ =
  28. 28.1017³ =
  29. 29.105³ =
  30. 30.982³ =
  31. 31.102³ =
  32. 32.102³ =
  33. 33.104³ =
  34. 34.98³ =
  35. 35.94³ =
  36. 36.1003³ =
  37. 37.94³ =
  38. 38.105³ =
  39. 39.989³ =
  40. 40.91³ =

Answer key

  1. 1045678375
  2. 1030301
  3. 1018108216
  4. 753571
  5. 857375
  6. 1124864
  7. 997002999
  8. 970299
  9. 1225043
  10. 1259712
  11. 976191488
  12. 958585256
  13. 1295029
  14. 1157625
  15. 1061208
  16. 976191488
  17. 1027243729
  18. 1030301000
  19. 976191488
  20. 1157625
  21. 958585256
  22. 941192
  23. 1092727
  24. 1051871913
  25. 979146657
  26. 1259712
  27. 804357
  28. 1051871913
  29. 1157625
  30. 946966168
  31. 1061208
  32. 1061208
  33. 1124864
  34. 941192
  35. 830584
  36. 1009027027
  37. 830584
  38. 1157625
  39. 967361669
  40. 753571

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