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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 139 · 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. 1.1013³ =
  2. 2.985³ =
  3. 3.1001³ =
  4. 4.996³ =
  5. 5.107³ =
  6. 6.991³ =
  7. 7.106³ =
  8. 8.999³ =
  9. 9.104³ =
  10. 10.91³ =
  11. 11.1006³ =
  12. 12.1015³ =
  13. 13.985³ =
  14. 14.109³ =
  15. 15.991³ =
  16. 16.1004³ =
  17. 17.101³ =
  18. 18.99³ =
  19. 19.91³ =
  20. 20.93³ =
  21. 21.1007³ =
  22. 22.99³ =
  23. 23.992³ =
  24. 24.101³ =
  25. 25.984³ =
  26. 26.92³ =
  27. 27.991³ =
  28. 28.109³ =
  29. 29.1001³ =
  30. 30.91³ =
  31. 31.997³ =
  32. 32.1020³ =
  33. 33.1018³ =
  34. 34.106³ =
  35. 35.986³ =
  36. 36.96³ =
  37. 37.1014³ =
  38. 38.984³ =
  39. 39.990³ =
  40. 40.91³ =

Answer key

  1. 1039509197
  2. 955671625
  3. 1003003001
  4. 988047936
  5. 1225043
  6. 973242271
  7. 1191016
  8. 997002999
  9. 1124864
  10. 753571
  11. 1018108216
  12. 1045678375
  13. 955671625
  14. 1295029
  15. 973242271
  16. 1012048064
  17. 1030301
  18. 970299
  19. 753571
  20. 804357
  21. 1021147343
  22. 970299
  23. 976191488
  24. 1030301
  25. 952763904
  26. 778688
  27. 973242271
  28. 1295029
  29. 1003003001
  30. 753571
  31. 991026973
  32. 1061208000
  33. 1054977832
  34. 1191016
  35. 958585256
  36. 884736
  37. 1042590744
  38. 952763904
  39. 970299000
  40. 753571

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