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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 537 · 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. 1.102³ =
  2. 2.99³ =
  3. 3.990³ =
  4. 4.1007³ =
  5. 5.989³ =
  6. 6.1014³ =
  7. 7.992³ =
  8. 8.93³ =
  9. 9.101³ =
  10. 10.1007³ =
  11. 11.1020³ =
  12. 12.97³ =
  13. 13.96³ =
  14. 14.103³ =
  15. 15.102³ =
  16. 16.999³ =
  17. 17.92³ =
  18. 18.98³ =
  19. 19.1011³ =
  20. 20.96³ =
  21. 21.98³ =
  22. 22.1014³ =
  23. 23.1001³ =
  24. 24.1015³ =
  25. 25.1012³ =
  26. 26.1017³ =
  27. 27.96³ =
  28. 28.101³ =
  29. 29.998³ =
  30. 30.92³ =
  31. 31.991³ =
  32. 32.1012³ =
  33. 33.984³ =
  34. 34.1018³ =
  35. 35.994³ =
  36. 36.108³ =
  37. 37.1002³ =
  38. 38.96³ =
  39. 39.109³ =
  40. 40.1003³ =

Answer key

  1. 1061208
  2. 970299
  3. 970299000
  4. 1021147343
  5. 967361669
  6. 1042590744
  7. 976191488
  8. 804357
  9. 1030301
  10. 1021147343
  11. 1061208000
  12. 912673
  13. 884736
  14. 1092727
  15. 1061208
  16. 997002999
  17. 778688
  18. 941192
  19. 1033364331
  20. 884736
  21. 941192
  22. 1042590744
  23. 1003003001
  24. 1045678375
  25. 1036433728
  26. 1051871913
  27. 884736
  28. 1030301
  29. 994011992
  30. 778688
  31. 973242271
  32. 1036433728
  33. 952763904
  34. 1054977832
  35. 982107784
  36. 1259712
  37. 1006012008
  38. 884736
  39. 1295029
  40. 1009027027

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