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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 278 · 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. 1.99³ =
  2. 2.103³ =
  3. 3.106³ =
  4. 4.101³ =
  5. 5.108³ =
  6. 6.103³ =
  7. 7.97³ =
  8. 8.105³ =
  9. 9.1009³ =
  10. 10.1018³ =
  11. 11.108³ =
  12. 12.99³ =
  13. 13.95³ =
  14. 14.94³ =
  15. 15.1011³ =
  16. 16.999³ =
  17. 17.105³ =
  18. 18.94³ =
  19. 19.99³ =
  20. 20.1006³ =
  21. 21.1001³ =
  22. 22.99³ =
  23. 23.96³ =
  24. 24.91³ =
  25. 25.1009³ =
  26. 26.98³ =
  27. 27.105³ =
  28. 28.93³ =
  29. 29.95³ =
  30. 30.94³ =
  31. 31.1008³ =
  32. 32.1004³ =
  33. 33.982³ =
  34. 34.1020³ =
  35. 35.1019³ =
  36. 36.982³ =
  37. 37.1010³ =
  38. 38.101³ =
  39. 39.1011³ =
  40. 40.109³ =

Answer key

  1. 970299
  2. 1092727
  3. 1191016
  4. 1030301
  5. 1259712
  6. 1092727
  7. 912673
  8. 1157625
  9. 1027243729
  10. 1054977832
  11. 1259712
  12. 970299
  13. 857375
  14. 830584
  15. 1033364331
  16. 997002999
  17. 1157625
  18. 830584
  19. 970299
  20. 1018108216
  21. 1003003001
  22. 970299
  23. 884736
  24. 753571
  25. 1027243729
  26. 941192
  27. 1157625
  28. 804357
  29. 857375
  30. 830584
  31. 1024192512
  32. 1012048064
  33. 946966168
  34. 1061208000
  35. 1058089859
  36. 946966168
  37. 1030301000
  38. 1030301
  39. 1033364331
  40. 1295029

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