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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 762 · 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. 1.1003³ =
  2. 2.993³ =
  3. 3.105³ =
  4. 4.1001³ =
  5. 5.98³ =
  6. 6.96³ =
  7. 7.105³ =
  8. 8.987³ =
  9. 9.98³ =
  10. 10.980³ =
  11. 11.107³ =
  12. 12.1012³ =
  13. 13.99³ =
  14. 14.993³ =
  15. 15.91³ =
  16. 16.92³ =
  17. 17.107³ =
  18. 18.102³ =
  19. 19.92³ =
  20. 20.98³ =
  21. 21.95³ =
  22. 22.1002³ =
  23. 23.989³ =
  24. 24.105³ =
  25. 25.991³ =
  26. 26.102³ =
  27. 27.108³ =
  28. 28.93³ =
  29. 29.992³ =
  30. 30.108³ =
  31. 31.105³ =
  32. 32.106³ =
  33. 33.99³ =
  34. 34.999³ =
  35. 35.1015³ =
  36. 36.1017³ =
  37. 37.103³ =
  38. 38.999³ =
  39. 39.108³ =
  40. 40.1018³ =

Answer key

  1. 1009027027
  2. 979146657
  3. 1157625
  4. 1003003001
  5. 941192
  6. 884736
  7. 1157625
  8. 961504803
  9. 941192
  10. 941192000
  11. 1225043
  12. 1036433728
  13. 970299
  14. 979146657
  15. 753571
  16. 778688
  17. 1225043
  18. 1061208
  19. 778688
  20. 941192
  21. 857375
  22. 1006012008
  23. 967361669
  24. 1157625
  25. 973242271
  26. 1061208
  27. 1259712
  28. 804357
  29. 976191488
  30. 1259712
  31. 1157625
  32. 1191016
  33. 970299
  34. 997002999
  35. 1045678375
  36. 1051871913
  37. 1092727
  38. 997002999
  39. 1259712
  40. 1054977832

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