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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 118 · 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. 1.999³ =
  2. 2.105³ =
  3. 3.984³ =
  4. 4.94³ =
  5. 5.1011³ =
  6. 6.109³ =
  7. 7.992³ =
  8. 8.101³ =
  9. 9.96³ =
  10. 10.103³ =
  11. 11.92³ =
  12. 12.984³ =
  13. 13.986³ =
  14. 14.103³ =
  15. 15.105³ =
  16. 16.988³ =
  17. 17.991³ =
  18. 18.982³ =
  19. 19.1013³ =
  20. 20.1017³ =
  21. 21.1018³ =
  22. 22.97³ =
  23. 23.995³ =
  24. 24.105³ =
  25. 25.98³ =
  26. 26.95³ =
  27. 27.99³ =
  28. 28.980³ =
  29. 29.1020³ =
  30. 30.107³ =
  31. 31.1013³ =
  32. 32.103³ =
  33. 33.993³ =
  34. 34.989³ =
  35. 35.980³ =
  36. 36.1010³ =
  37. 37.1019³ =
  38. 38.99³ =
  39. 39.106³ =
  40. 40.92³ =

Answer key

  1. 997002999
  2. 1157625
  3. 952763904
  4. 830584
  5. 1033364331
  6. 1295029
  7. 976191488
  8. 1030301
  9. 884736
  10. 1092727
  11. 778688
  12. 952763904
  13. 958585256
  14. 1092727
  15. 1157625
  16. 964430272
  17. 973242271
  18. 946966168
  19. 1039509197
  20. 1051871913
  21. 1054977832
  22. 912673
  23. 985074875
  24. 1157625
  25. 941192
  26. 857375
  27. 970299
  28. 941192000
  29. 1061208000
  30. 1225043
  31. 1039509197
  32. 1092727
  33. 979146657
  34. 967361669
  35. 941192000
  36. 1030301000
  37. 1058089859
  38. 970299
  39. 1191016
  40. 778688

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