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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 882 · 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. 1.1005³ =
  2. 2.98³ =
  3. 3.96³ =
  4. 4.989³ =
  5. 5.985³ =
  6. 6.999³ =
  7. 7.91³ =
  8. 8.103³ =
  9. 9.1008³ =
  10. 10.1015³ =
  11. 11.96³ =
  12. 12.1017³ =
  13. 13.1010³ =
  14. 14.1020³ =
  15. 15.99³ =
  16. 16.93³ =
  17. 17.103³ =
  18. 18.96³ =
  19. 19.94³ =
  20. 20.1018³ =
  21. 21.1007³ =
  22. 22.103³ =
  23. 23.1018³ =
  24. 24.109³ =
  25. 25.105³ =
  26. 26.1019³ =
  27. 27.99³ =
  28. 28.97³ =
  29. 29.1005³ =
  30. 30.109³ =
  31. 31.97³ =
  32. 32.91³ =
  33. 33.102³ =
  34. 34.994³ =
  35. 35.107³ =
  36. 36.987³ =
  37. 37.997³ =
  38. 38.992³ =
  39. 39.98³ =
  40. 40.94³ =

Answer key

  1. 1015075125
  2. 941192
  3. 884736
  4. 967361669
  5. 955671625
  6. 997002999
  7. 753571
  8. 1092727
  9. 1024192512
  10. 1045678375
  11. 884736
  12. 1051871913
  13. 1030301000
  14. 1061208000
  15. 970299
  16. 804357
  17. 1092727
  18. 884736
  19. 830584
  20. 1054977832
  21. 1021147343
  22. 1092727
  23. 1054977832
  24. 1295029
  25. 1157625
  26. 1058089859
  27. 970299
  28. 912673
  29. 1015075125
  30. 1295029
  31. 912673
  32. 753571
  33. 1061208
  34. 982107784
  35. 1225043
  36. 961504803
  37. 991026973
  38. 976191488
  39. 941192
  40. 830584

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