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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 131 · 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. 1.1007³ =
  2. 2.1006³ =
  3. 3.99³ =
  4. 4.1008³ =
  5. 5.102³ =
  6. 6.109³ =
  7. 7.103³ =
  8. 8.102³ =
  9. 9.982³ =
  10. 10.997³ =
  11. 11.1002³ =
  12. 12.992³ =
  13. 13.98³ =
  14. 14.987³ =
  15. 15.984³ =
  16. 16.985³ =
  17. 17.109³ =
  18. 18.1012³ =
  19. 19.994³ =
  20. 20.97³ =
  21. 21.94³ =
  22. 22.985³ =
  23. 23.94³ =
  24. 24.983³ =
  25. 25.996³ =
  26. 26.97³ =
  27. 27.92³ =
  28. 28.97³ =
  29. 29.991³ =
  30. 30.1011³ =
  31. 31.106³ =
  32. 32.989³ =
  33. 33.94³ =
  34. 34.101³ =
  35. 35.96³ =
  36. 36.91³ =
  37. 37.1011³ =
  38. 38.104³ =
  39. 39.99³ =
  40. 40.980³ =

Answer key

  1. 1021147343
  2. 1018108216
  3. 970299
  4. 1024192512
  5. 1061208
  6. 1295029
  7. 1092727
  8. 1061208
  9. 946966168
  10. 991026973
  11. 1006012008
  12. 976191488
  13. 941192
  14. 961504803
  15. 952763904
  16. 955671625
  17. 1295029
  18. 1036433728
  19. 982107784
  20. 912673
  21. 830584
  22. 955671625
  23. 830584
  24. 949862087
  25. 988047936
  26. 912673
  27. 778688
  28. 912673
  29. 973242271
  30. 1033364331
  31. 1191016
  32. 967361669
  33. 830584
  34. 1030301
  35. 884736
  36. 753571
  37. 1033364331
  38. 1124864
  39. 970299
  40. 941192000

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