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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 269 · 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. 1.1014³ =
  2. 2.104³ =
  3. 3.1001³ =
  4. 4.95³ =
  5. 5.996³ =
  6. 6.98³ =
  7. 7.989³ =
  8. 8.984³ =
  9. 9.107³ =
  10. 10.1005³ =
  11. 11.982³ =
  12. 12.1007³ =
  13. 13.987³ =
  14. 14.989³ =
  15. 15.108³ =
  16. 16.108³ =
  17. 17.107³ =
  18. 18.1016³ =
  19. 19.96³ =
  20. 20.106³ =
  21. 21.104³ =
  22. 22.96³ =
  23. 23.1011³ =
  24. 24.97³ =
  25. 25.1017³ =
  26. 26.993³ =
  27. 27.98³ =
  28. 28.104³ =
  29. 29.95³ =
  30. 30.991³ =
  31. 31.105³ =
  32. 32.96³ =
  33. 33.1002³ =
  34. 34.96³ =
  35. 35.1013³ =
  36. 36.987³ =
  37. 37.99³ =
  38. 38.98³ =
  39. 39.984³ =
  40. 40.94³ =

Answer key

  1. 1042590744
  2. 1124864
  3. 1003003001
  4. 857375
  5. 988047936
  6. 941192
  7. 967361669
  8. 952763904
  9. 1225043
  10. 1015075125
  11. 946966168
  12. 1021147343
  13. 961504803
  14. 967361669
  15. 1259712
  16. 1259712
  17. 1225043
  18. 1048772096
  19. 884736
  20. 1191016
  21. 1124864
  22. 884736
  23. 1033364331
  24. 912673
  25. 1051871913
  26. 979146657
  27. 941192
  28. 1124864
  29. 857375
  30. 973242271
  31. 1157625
  32. 884736
  33. 1006012008
  34. 884736
  35. 1039509197
  36. 961504803
  37. 970299
  38. 941192
  39. 952763904
  40. 830584

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