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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 840 · 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. 1.1001³ =
  2. 2.1007³ =
  3. 3.992³ =
  4. 4.106³ =
  5. 5.96³ =
  6. 6.986³ =
  7. 7.108³ =
  8. 8.94³ =
  9. 9.984³ =
  10. 10.107³ =
  11. 11.94³ =
  12. 12.103³ =
  13. 13.96³ =
  14. 14.101³ =
  15. 15.97³ =
  16. 16.1016³ =
  17. 17.1018³ =
  18. 18.94³ =
  19. 19.993³ =
  20. 20.96³ =
  21. 21.101³ =
  22. 22.97³ =
  23. 23.98³ =
  24. 24.101³ =
  25. 25.980³ =
  26. 26.106³ =
  27. 27.103³ =
  28. 28.94³ =
  29. 29.102³ =
  30. 30.984³ =
  31. 31.91³ =
  32. 32.105³ =
  33. 33.988³ =
  34. 34.980³ =
  35. 35.983³ =
  36. 36.981³ =
  37. 37.97³ =
  38. 38.1012³ =
  39. 39.106³ =
  40. 40.983³ =

Answer key

  1. 1003003001
  2. 1021147343
  3. 976191488
  4. 1191016
  5. 884736
  6. 958585256
  7. 1259712
  8. 830584
  9. 952763904
  10. 1225043
  11. 830584
  12. 1092727
  13. 884736
  14. 1030301
  15. 912673
  16. 1048772096
  17. 1054977832
  18. 830584
  19. 979146657
  20. 884736
  21. 1030301
  22. 912673
  23. 941192
  24. 1030301
  25. 941192000
  26. 1191016
  27. 1092727
  28. 830584
  29. 1061208
  30. 952763904
  31. 753571
  32. 1157625
  33. 964430272
  34. 941192000
  35. 949862087
  36. 944076141
  37. 912673
  38. 1036433728
  39. 1191016
  40. 949862087

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