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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 470 · 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. 1.1001³ =
  2. 2.1019³ =
  3. 3.91³ =
  4. 4.94³ =
  5. 5.91³ =
  6. 6.98³ =
  7. 7.109³ =
  8. 8.96³ =
  9. 9.104³ =
  10. 10.1002³ =
  11. 11.997³ =
  12. 12.93³ =
  13. 13.94³ =
  14. 14.105³ =
  15. 15.98³ =
  16. 16.91³ =
  17. 17.92³ =
  18. 18.1017³ =
  19. 19.996³ =
  20. 20.983³ =
  21. 21.99³ =
  22. 22.109³ =
  23. 23.994³ =
  24. 24.1006³ =
  25. 25.1007³ =
  26. 26.982³ =
  27. 27.994³ =
  28. 28.102³ =
  29. 29.1009³ =
  30. 30.980³ =
  31. 31.1002³ =
  32. 32.95³ =
  33. 33.991³ =
  34. 34.94³ =
  35. 35.101³ =
  36. 36.987³ =
  37. 37.1009³ =
  38. 38.94³ =
  39. 39.985³ =
  40. 40.1005³ =

Answer key

  1. 1003003001
  2. 1058089859
  3. 753571
  4. 830584
  5. 753571
  6. 941192
  7. 1295029
  8. 884736
  9. 1124864
  10. 1006012008
  11. 991026973
  12. 804357
  13. 830584
  14. 1157625
  15. 941192
  16. 753571
  17. 778688
  18. 1051871913
  19. 988047936
  20. 949862087
  21. 970299
  22. 1295029
  23. 982107784
  24. 1018108216
  25. 1021147343
  26. 946966168
  27. 982107784
  28. 1061208
  29. 1027243729
  30. 941192000
  31. 1006012008
  32. 857375
  33. 973242271
  34. 830584
  35. 1030301
  36. 961504803
  37. 1027243729
  38. 830584
  39. 955671625
  40. 1015075125

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