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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 465 · 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. 1.96³ =
  2. 2.999³ =
  3. 3.98³ =
  4. 4.95³ =
  5. 5.997³ =
  6. 6.983³ =
  7. 7.1013³ =
  8. 8.997³ =
  9. 9.994³ =
  10. 10.990³ =
  11. 11.99³ =
  12. 12.101³ =
  13. 13.99³ =
  14. 14.98³ =
  15. 15.98³ =
  16. 16.93³ =
  17. 17.1009³ =
  18. 18.109³ =
  19. 19.95³ =
  20. 20.982³ =
  21. 21.92³ =
  22. 22.994³ =
  23. 23.994³ =
  24. 24.1017³ =
  25. 25.997³ =
  26. 26.106³ =
  27. 27.984³ =
  28. 28.1013³ =
  29. 29.98³ =
  30. 30.103³ =
  31. 31.999³ =
  32. 32.94³ =
  33. 33.1012³ =
  34. 34.91³ =
  35. 35.107³ =
  36. 36.92³ =
  37. 37.93³ =
  38. 38.1018³ =
  39. 39.107³ =
  40. 40.981³ =

Answer key

  1. 884736
  2. 997002999
  3. 941192
  4. 857375
  5. 991026973
  6. 949862087
  7. 1039509197
  8. 991026973
  9. 982107784
  10. 970299000
  11. 970299
  12. 1030301
  13. 970299
  14. 941192
  15. 941192
  16. 804357
  17. 1027243729
  18. 1295029
  19. 857375
  20. 946966168
  21. 778688
  22. 982107784
  23. 982107784
  24. 1051871913
  25. 991026973
  26. 1191016
  27. 952763904
  28. 1039509197
  29. 941192
  30. 1092727
  31. 997002999
  32. 830584
  33. 1036433728
  34. 753571
  35. 1225043
  36. 778688
  37. 804357
  38. 1054977832
  39. 1225043
  40. 944076141

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