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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 682 · 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. 1.1010³ =
  2. 2.105³ =
  3. 3.106³ =
  4. 4.991³ =
  5. 5.101³ =
  6. 6.980³ =
  7. 7.106³ =
  8. 8.91³ =
  9. 9.108³ =
  10. 10.108³ =
  11. 11.107³ =
  12. 12.994³ =
  13. 13.97³ =
  14. 14.93³ =
  15. 15.96³ =
  16. 16.1010³ =
  17. 17.1015³ =
  18. 18.1004³ =
  19. 19.98³ =
  20. 20.102³ =
  21. 21.106³ =
  22. 22.990³ =
  23. 23.99³ =
  24. 24.984³ =
  25. 25.94³ =
  26. 26.98³ =
  27. 27.989³ =
  28. 28.99³ =
  29. 29.99³ =
  30. 30.95³ =
  31. 31.1017³ =
  32. 32.98³ =
  33. 33.101³ =
  34. 34.104³ =
  35. 35.103³ =
  36. 36.101³ =
  37. 37.92³ =
  38. 38.102³ =
  39. 39.98³ =
  40. 40.106³ =

Answer key

  1. 1030301000
  2. 1157625
  3. 1191016
  4. 973242271
  5. 1030301
  6. 941192000
  7. 1191016
  8. 753571
  9. 1259712
  10. 1259712
  11. 1225043
  12. 982107784
  13. 912673
  14. 804357
  15. 884736
  16. 1030301000
  17. 1045678375
  18. 1012048064
  19. 941192
  20. 1061208
  21. 1191016
  22. 970299000
  23. 970299
  24. 952763904
  25. 830584
  26. 941192
  27. 967361669
  28. 970299
  29. 970299
  30. 857375
  31. 1051871913
  32. 941192
  33. 1030301
  34. 1124864
  35. 1092727
  36. 1030301
  37. 778688
  38. 1061208
  39. 941192
  40. 1191016

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