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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 946 · 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. 1.98³ =
  2. 2.1012³ =
  3. 3.1013³ =
  4. 4.99³ =
  5. 5.988³ =
  6. 6.103³ =
  7. 7.98³ =
  8. 8.995³ =
  9. 9.1017³ =
  10. 10.1015³ =
  11. 11.996³ =
  12. 12.1010³ =
  13. 13.97³ =
  14. 14.991³ =
  15. 15.1013³ =
  16. 16.95³ =
  17. 17.104³ =
  18. 18.104³ =
  19. 19.96³ =
  20. 20.98³ =
  21. 21.97³ =
  22. 22.99³ =
  23. 23.989³ =
  24. 24.95³ =
  25. 25.104³ =
  26. 26.1010³ =
  27. 27.986³ =
  28. 28.92³ =
  29. 29.98³ =
  30. 30.101³ =
  31. 31.98³ =
  32. 32.994³ =
  33. 33.94³ =
  34. 34.980³ =
  35. 35.986³ =
  36. 36.993³ =
  37. 37.982³ =
  38. 38.93³ =
  39. 39.108³ =
  40. 40.95³ =

Answer key

  1. 941192
  2. 1036433728
  3. 1039509197
  4. 970299
  5. 964430272
  6. 1092727
  7. 941192
  8. 985074875
  9. 1051871913
  10. 1045678375
  11. 988047936
  12. 1030301000
  13. 912673
  14. 973242271
  15. 1039509197
  16. 857375
  17. 1124864
  18. 1124864
  19. 884736
  20. 941192
  21. 912673
  22. 970299
  23. 967361669
  24. 857375
  25. 1124864
  26. 1030301000
  27. 958585256
  28. 778688
  29. 941192
  30. 1030301
  31. 941192
  32. 982107784
  33. 830584
  34. 941192000
  35. 958585256
  36. 979146657
  37. 946966168
  38. 804357
  39. 1259712
  40. 857375

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