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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 221 · 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. 1.95³ =
  2. 2.989³ =
  3. 3.1002³ =
  4. 4.999³ =
  5. 5.982³ =
  6. 6.996³ =
  7. 7.99³ =
  8. 8.106³ =
  9. 9.91³ =
  10. 10.93³ =
  11. 11.1020³ =
  12. 12.104³ =
  13. 13.106³ =
  14. 14.1007³ =
  15. 15.106³ =
  16. 16.104³ =
  17. 17.1009³ =
  18. 18.103³ =
  19. 19.104³ =
  20. 20.105³ =
  21. 21.996³ =
  22. 22.104³ =
  23. 23.97³ =
  24. 24.990³ =
  25. 25.990³ =
  26. 26.106³ =
  27. 27.991³ =
  28. 28.92³ =
  29. 29.98³ =
  30. 30.1012³ =
  31. 31.107³ =
  32. 32.994³ =
  33. 33.1020³ =
  34. 34.94³ =
  35. 35.91³ =
  36. 36.107³ =
  37. 37.97³ =
  38. 38.105³ =
  39. 39.989³ =
  40. 40.992³ =

Answer key

  1. 857375
  2. 967361669
  3. 1006012008
  4. 997002999
  5. 946966168
  6. 988047936
  7. 970299
  8. 1191016
  9. 753571
  10. 804357
  11. 1061208000
  12. 1124864
  13. 1191016
  14. 1021147343
  15. 1191016
  16. 1124864
  17. 1027243729
  18. 1092727
  19. 1124864
  20. 1157625
  21. 988047936
  22. 1124864
  23. 912673
  24. 970299000
  25. 970299000
  26. 1191016
  27. 973242271
  28. 778688
  29. 941192
  30. 1036433728
  31. 1225043
  32. 982107784
  33. 1061208000
  34. 830584
  35. 753571
  36. 1225043
  37. 912673
  38. 1157625
  39. 967361669
  40. 976191488

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