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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 782 · 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. 2.102³ =
  3. 3.108³ =
  4. 4.1002³ =
  5. 5.102³ =
  6. 6.998³ =
  7. 7.988³ =
  8. 8.107³ =
  9. 9.91³ =
  10. 10.103³ =
  11. 11.94³ =
  12. 12.996³ =
  13. 13.984³ =
  14. 14.109³ =
  15. 15.99³ =
  16. 16.97³ =
  17. 17.1019³ =
  18. 18.95³ =
  19. 19.1011³ =
  20. 20.97³ =
  21. 21.104³ =
  22. 22.1007³ =
  23. 23.94³ =
  24. 24.105³ =
  25. 25.92³ =
  26. 26.991³ =
  27. 27.998³ =
  28. 28.96³ =
  29. 29.992³ =
  30. 30.106³ =
  31. 31.1019³ =
  32. 32.109³ =
  33. 33.1012³ =
  34. 34.994³ =
  35. 35.999³ =
  36. 36.1014³ =
  37. 37.1012³ =
  38. 38.96³ =
  39. 39.101³ =
  40. 40.101³ =

Answer key

  1. 1259712
  2. 1061208
  3. 1259712
  4. 1006012008
  5. 1061208
  6. 994011992
  7. 964430272
  8. 1225043
  9. 753571
  10. 1092727
  11. 830584
  12. 988047936
  13. 952763904
  14. 1295029
  15. 970299
  16. 912673
  17. 1058089859
  18. 857375
  19. 1033364331
  20. 912673
  21. 1124864
  22. 1021147343
  23. 830584
  24. 1157625
  25. 778688
  26. 973242271
  27. 994011992
  28. 884736
  29. 976191488
  30. 1191016
  31. 1058089859
  32. 1295029
  33. 1036433728
  34. 982107784
  35. 997002999
  36. 1042590744
  37. 1036433728
  38. 884736
  39. 1030301
  40. 1030301

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