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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 972 · 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. 2.107³ =
  3. 3.1017³ =
  4. 4.993³ =
  5. 5.107³ =
  6. 6.108³ =
  7. 7.94³ =
  8. 8.1007³ =
  9. 9.987³ =
  10. 10.109³ =
  11. 11.94³ =
  12. 12.996³ =
  13. 13.1009³ =
  14. 14.101³ =
  15. 15.99³ =
  16. 16.989³ =
  17. 17.99³ =
  18. 18.992³ =
  19. 19.91³ =
  20. 20.999³ =
  21. 21.1003³ =
  22. 22.95³ =
  23. 23.983³ =
  24. 24.91³ =
  25. 25.98³ =
  26. 26.990³ =
  27. 27.91³ =
  28. 28.1013³ =
  29. 29.99³ =
  30. 30.999³ =
  31. 31.1005³ =
  32. 32.97³ =
  33. 33.94³ =
  34. 34.994³ =
  35. 35.91³ =
  36. 36.995³ =
  37. 37.1014³ =
  38. 38.97³ =
  39. 39.1003³ =
  40. 40.99³ =

Answer key

  1. 1259712
  2. 1225043
  3. 1051871913
  4. 979146657
  5. 1225043
  6. 1259712
  7. 830584
  8. 1021147343
  9. 961504803
  10. 1295029
  11. 830584
  12. 988047936
  13. 1027243729
  14. 1030301
  15. 970299
  16. 967361669
  17. 970299
  18. 976191488
  19. 753571
  20. 997002999
  21. 1009027027
  22. 857375
  23. 949862087
  24. 753571
  25. 941192
  26. 970299000
  27. 753571
  28. 1039509197
  29. 970299
  30. 997002999
  31. 1015075125
  32. 912673
  33. 830584
  34. 982107784
  35. 753571
  36. 985074875
  37. 1042590744
  38. 912673
  39. 1009027027
  40. 970299

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