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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 14 · 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. 2.999³ =
  3. 3.1005³ =
  4. 4.993³ =
  5. 5.1002³ =
  6. 6.105³ =
  7. 7.1017³ =
  8. 8.996³ =
  9. 9.1020³ =
  10. 10.1015³ =
  11. 11.98³ =
  12. 12.101³ =
  13. 13.1014³ =
  14. 14.91³ =
  15. 15.105³ =
  16. 16.108³ =
  17. 17.108³ =
  18. 18.98³ =
  19. 19.97³ =
  20. 20.106³ =
  21. 21.101³ =
  22. 22.990³ =
  23. 23.94³ =
  24. 24.108³ =
  25. 25.97³ =
  26. 26.103³ =
  27. 27.96³ =
  28. 28.987³ =
  29. 29.103³ =
  30. 30.99³ =
  31. 31.105³ =
  32. 32.93³ =
  33. 33.103³ =
  34. 34.108³ =
  35. 35.109³ =
  36. 36.994³ =
  37. 37.991³ =
  38. 38.1007³ =
  39. 39.102³ =
  40. 40.1017³ =

Answer key

  1. 1042590744
  2. 997002999
  3. 1015075125
  4. 979146657
  5. 1006012008
  6. 1157625
  7. 1051871913
  8. 988047936
  9. 1061208000
  10. 1045678375
  11. 941192
  12. 1030301
  13. 1042590744
  14. 753571
  15. 1157625
  16. 1259712
  17. 1259712
  18. 941192
  19. 912673
  20. 1191016
  21. 1030301
  22. 970299000
  23. 830584
  24. 1259712
  25. 912673
  26. 1092727
  27. 884736
  28. 961504803
  29. 1092727
  30. 970299
  31. 1157625
  32. 804357
  33. 1092727
  34. 1259712
  35. 1295029
  36. 982107784
  37. 973242271
  38. 1021147343
  39. 1061208
  40. 1051871913

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