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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 920 · 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. 1.1013³ =
  2. 2.108³ =
  3. 3.992³ =
  4. 4.97³ =
  5. 5.95³ =
  6. 6.94³ =
  7. 7.1012³ =
  8. 8.95³ =
  9. 9.108³ =
  10. 10.1006³ =
  11. 11.108³ =
  12. 12.95³ =
  13. 13.992³ =
  14. 14.984³ =
  15. 15.994³ =
  16. 16.986³ =
  17. 17.1007³ =
  18. 18.992³ =
  19. 19.95³ =
  20. 20.992³ =
  21. 21.94³ =
  22. 22.109³ =
  23. 23.95³ =
  24. 24.105³ =
  25. 25.106³ =
  26. 26.95³ =
  27. 27.999³ =
  28. 28.94³ =
  29. 29.1012³ =
  30. 30.1011³ =
  31. 31.986³ =
  32. 32.108³ =
  33. 33.98³ =
  34. 34.1018³ =
  35. 35.980³ =
  36. 36.1001³ =
  37. 37.1014³ =
  38. 38.980³ =
  39. 39.986³ =
  40. 40.97³ =

Answer key

  1. 1039509197
  2. 1259712
  3. 976191488
  4. 912673
  5. 857375
  6. 830584
  7. 1036433728
  8. 857375
  9. 1259712
  10. 1018108216
  11. 1259712
  12. 857375
  13. 976191488
  14. 952763904
  15. 982107784
  16. 958585256
  17. 1021147343
  18. 976191488
  19. 857375
  20. 976191488
  21. 830584
  22. 1295029
  23. 857375
  24. 1157625
  25. 1191016
  26. 857375
  27. 997002999
  28. 830584
  29. 1036433728
  30. 1033364331
  31. 958585256
  32. 1259712
  33. 941192
  34. 1054977832
  35. 941192000
  36. 1003003001
  37. 1042590744
  38. 941192000
  39. 958585256
  40. 912673

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