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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 723 · 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. 2.96³ =
  3. 3.96³ =
  4. 4.988³ =
  5. 5.1012³ =
  6. 6.95³ =
  7. 7.997³ =
  8. 8.1005³ =
  9. 9.1019³ =
  10. 10.999³ =
  11. 11.102³ =
  12. 12.94³ =
  13. 13.1006³ =
  14. 14.981³ =
  15. 15.97³ =
  16. 16.104³ =
  17. 17.107³ =
  18. 18.1013³ =
  19. 19.101³ =
  20. 20.106³ =
  21. 21.994³ =
  22. 22.97³ =
  23. 23.101³ =
  24. 24.1020³ =
  25. 25.101³ =
  26. 26.104³ =
  27. 27.1004³ =
  28. 28.98³ =
  29. 29.98³ =
  30. 30.99³ =
  31. 31.106³ =
  32. 32.994³ =
  33. 33.106³ =
  34. 34.995³ =
  35. 35.95³ =
  36. 36.991³ =
  37. 37.1011³ =
  38. 38.106³ =
  39. 39.1005³ =
  40. 40.101³ =

Answer key

  1. 941192
  2. 884736
  3. 884736
  4. 964430272
  5. 1036433728
  6. 857375
  7. 991026973
  8. 1015075125
  9. 1058089859
  10. 997002999
  11. 1061208
  12. 830584
  13. 1018108216
  14. 944076141
  15. 912673
  16. 1124864
  17. 1225043
  18. 1039509197
  19. 1030301
  20. 1191016
  21. 982107784
  22. 912673
  23. 1030301
  24. 1061208000
  25. 1030301
  26. 1124864
  27. 1012048064
  28. 941192
  29. 941192
  30. 970299
  31. 1191016
  32. 982107784
  33. 1191016
  34. 985074875
  35. 857375
  36. 973242271
  37. 1033364331
  38. 1191016
  39. 1015075125
  40. 1030301

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