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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 411 · 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. 1.980³ =
  2. 2.982³ =
  3. 3.1015³ =
  4. 4.982³ =
  5. 5.92³ =
  6. 6.97³ =
  7. 7.103³ =
  8. 8.94³ =
  9. 9.105³ =
  10. 10.104³ =
  11. 11.95³ =
  12. 12.1006³ =
  13. 13.99³ =
  14. 14.105³ =
  15. 15.1006³ =
  16. 16.109³ =
  17. 17.1014³ =
  18. 18.107³ =
  19. 19.102³ =
  20. 20.1005³ =
  21. 21.1007³ =
  22. 22.987³ =
  23. 23.980³ =
  24. 24.92³ =
  25. 25.106³ =
  26. 26.91³ =
  27. 27.1014³ =
  28. 28.96³ =
  29. 29.97³ =
  30. 30.108³ =
  31. 31.1019³ =
  32. 32.992³ =
  33. 33.105³ =
  34. 34.97³ =
  35. 35.106³ =
  36. 36.97³ =
  37. 37.98³ =
  38. 38.1011³ =
  39. 39.93³ =
  40. 40.104³ =

Answer key

  1. 941192000
  2. 946966168
  3. 1045678375
  4. 946966168
  5. 778688
  6. 912673
  7. 1092727
  8. 830584
  9. 1157625
  10. 1124864
  11. 857375
  12. 1018108216
  13. 970299
  14. 1157625
  15. 1018108216
  16. 1295029
  17. 1042590744
  18. 1225043
  19. 1061208
  20. 1015075125
  21. 1021147343
  22. 961504803
  23. 941192000
  24. 778688
  25. 1191016
  26. 753571
  27. 1042590744
  28. 884736
  29. 912673
  30. 1259712
  31. 1058089859
  32. 976191488
  33. 1157625
  34. 912673
  35. 1191016
  36. 912673
  37. 941192
  38. 1033364331
  39. 804357
  40. 1124864

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