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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 362 · 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. 1.109³ =
  2. 2.993³ =
  3. 3.1019³ =
  4. 4.95³ =
  5. 5.102³ =
  6. 6.98³ =
  7. 7.107³ =
  8. 8.991³ =
  9. 9.98³ =
  10. 10.93³ =
  11. 11.999³ =
  12. 12.1016³ =
  13. 13.994³ =
  14. 14.983³ =
  15. 15.91³ =
  16. 16.94³ =
  17. 17.994³ =
  18. 18.999³ =
  19. 19.1007³ =
  20. 20.93³ =
  21. 21.103³ =
  22. 22.1002³ =
  23. 23.109³ =
  24. 24.108³ =
  25. 25.98³ =
  26. 26.1011³ =
  27. 27.98³ =
  28. 28.1009³ =
  29. 29.95³ =
  30. 30.92³ =
  31. 31.994³ =
  32. 32.997³ =
  33. 33.98³ =
  34. 34.980³ =
  35. 35.980³ =
  36. 36.989³ =
  37. 37.92³ =
  38. 38.1016³ =
  39. 39.95³ =
  40. 40.1017³ =

Answer key

  1. 1295029
  2. 979146657
  3. 1058089859
  4. 857375
  5. 1061208
  6. 941192
  7. 1225043
  8. 973242271
  9. 941192
  10. 804357
  11. 997002999
  12. 1048772096
  13. 982107784
  14. 949862087
  15. 753571
  16. 830584
  17. 982107784
  18. 997002999
  19. 1021147343
  20. 804357
  21. 1092727
  22. 1006012008
  23. 1295029
  24. 1259712
  25. 941192
  26. 1033364331
  27. 941192
  28. 1027243729
  29. 857375
  30. 778688
  31. 982107784
  32. 991026973
  33. 941192
  34. 941192000
  35. 941192000
  36. 967361669
  37. 778688
  38. 1048772096
  39. 857375
  40. 1051871913

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