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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 662 · 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. 1.91³ =
  2. 2.1002³ =
  3. 3.95³ =
  4. 4.97³ =
  5. 5.1018³ =
  6. 6.99³ =
  7. 7.96³ =
  8. 8.102³ =
  9. 9.95³ =
  10. 10.995³ =
  11. 11.103³ =
  12. 12.94³ =
  13. 13.109³ =
  14. 14.105³ =
  15. 15.996³ =
  16. 16.105³ =
  17. 17.994³ =
  18. 18.94³ =
  19. 19.1020³ =
  20. 20.1013³ =
  21. 21.993³ =
  22. 22.94³ =
  23. 23.980³ =
  24. 24.91³ =
  25. 25.108³ =
  26. 26.985³ =
  27. 27.107³ =
  28. 28.1006³ =
  29. 29.1018³ =
  30. 30.102³ =
  31. 31.106³ =
  32. 32.94³ =
  33. 33.992³ =
  34. 34.983³ =
  35. 35.107³ =
  36. 36.995³ =
  37. 37.1010³ =
  38. 38.103³ =
  39. 39.106³ =
  40. 40.91³ =

Answer key

  1. 753571
  2. 1006012008
  3. 857375
  4. 912673
  5. 1054977832
  6. 970299
  7. 884736
  8. 1061208
  9. 857375
  10. 985074875
  11. 1092727
  12. 830584
  13. 1295029
  14. 1157625
  15. 988047936
  16. 1157625
  17. 982107784
  18. 830584
  19. 1061208000
  20. 1039509197
  21. 979146657
  22. 830584
  23. 941192000
  24. 753571
  25. 1259712
  26. 955671625
  27. 1225043
  28. 1018108216
  29. 1054977832
  30. 1061208
  31. 1191016
  32. 830584
  33. 976191488
  34. 949862087
  35. 1225043
  36. 985074875
  37. 1030301000
  38. 1092727
  39. 1191016
  40. 753571

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