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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 621 · 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. 1.993³ =
  2. 2.92³ =
  3. 3.997³ =
  4. 4.101³ =
  5. 5.1010³ =
  6. 6.983³ =
  7. 7.996³ =
  8. 8.1019³ =
  9. 9.106³ =
  10. 10.1005³ =
  11. 11.109³ =
  12. 12.988³ =
  13. 13.989³ =
  14. 14.103³ =
  15. 15.108³ =
  16. 16.96³ =
  17. 17.105³ =
  18. 18.1017³ =
  19. 19.108³ =
  20. 20.989³ =
  21. 21.985³ =
  22. 22.92³ =
  23. 23.102³ =
  24. 24.1010³ =
  25. 25.1009³ =
  26. 26.999³ =
  27. 27.95³ =
  28. 28.988³ =
  29. 29.104³ =
  30. 30.93³ =
  31. 31.101³ =
  32. 32.108³ =
  33. 33.1010³ =
  34. 34.91³ =
  35. 35.101³ =
  36. 36.1018³ =
  37. 37.104³ =
  38. 38.97³ =
  39. 39.97³ =
  40. 40.98³ =

Answer key

  1. 979146657
  2. 778688
  3. 991026973
  4. 1030301
  5. 1030301000
  6. 949862087
  7. 988047936
  8. 1058089859
  9. 1191016
  10. 1015075125
  11. 1295029
  12. 964430272
  13. 967361669
  14. 1092727
  15. 1259712
  16. 884736
  17. 1157625
  18. 1051871913
  19. 1259712
  20. 967361669
  21. 955671625
  22. 778688
  23. 1061208
  24. 1030301000
  25. 1027243729
  26. 997002999
  27. 857375
  28. 964430272
  29. 1124864
  30. 804357
  31. 1030301
  32. 1259712
  33. 1030301000
  34. 753571
  35. 1030301
  36. 1054977832
  37. 1124864
  38. 912673
  39. 912673
  40. 941192

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