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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 495 · 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. 1.108³ =
  2. 2.93³ =
  3. 3.96³ =
  4. 4.1001³ =
  5. 5.984³ =
  6. 6.107³ =
  7. 7.92³ =
  8. 8.990³ =
  9. 9.980³ =
  10. 10.1008³ =
  11. 11.993³ =
  12. 12.102³ =
  13. 13.109³ =
  14. 14.101³ =
  15. 15.993³ =
  16. 16.1006³ =
  17. 17.1007³ =
  18. 18.991³ =
  19. 19.96³ =
  20. 20.101³ =
  21. 21.106³ =
  22. 22.994³ =
  23. 23.997³ =
  24. 24.1018³ =
  25. 25.91³ =
  26. 26.96³ =
  27. 27.1006³ =
  28. 28.996³ =
  29. 29.91³ =
  30. 30.95³ =
  31. 31.98³ =
  32. 32.987³ =
  33. 33.99³ =
  34. 34.1017³ =
  35. 35.99³ =
  36. 36.993³ =
  37. 37.106³ =
  38. 38.989³ =
  39. 39.981³ =
  40. 40.1003³ =

Answer key

  1. 1259712
  2. 804357
  3. 884736
  4. 1003003001
  5. 952763904
  6. 1225043
  7. 778688
  8. 970299000
  9. 941192000
  10. 1024192512
  11. 979146657
  12. 1061208
  13. 1295029
  14. 1030301
  15. 979146657
  16. 1018108216
  17. 1021147343
  18. 973242271
  19. 884736
  20. 1030301
  21. 1191016
  22. 982107784
  23. 991026973
  24. 1054977832
  25. 753571
  26. 884736
  27. 1018108216
  28. 988047936
  29. 753571
  30. 857375
  31. 941192
  32. 961504803
  33. 970299
  34. 1051871913
  35. 970299
  36. 979146657
  37. 1191016
  38. 967361669
  39. 944076141
  40. 1009027027

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