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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 813 · 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. 1.988³ =
  2. 2.1001³ =
  3. 3.1014³ =
  4. 4.1009³ =
  5. 5.109³ =
  6. 6.1005³ =
  7. 7.980³ =
  8. 8.1003³ =
  9. 9.102³ =
  10. 10.990³ =
  11. 11.103³ =
  12. 12.988³ =
  13. 13.991³ =
  14. 14.103³ =
  15. 15.99³ =
  16. 16.994³ =
  17. 17.1011³ =
  18. 18.999³ =
  19. 19.94³ =
  20. 20.99³ =
  21. 21.106³ =
  22. 22.102³ =
  23. 23.109³ =
  24. 24.101³ =
  25. 25.99³ =
  26. 26.95³ =
  27. 27.109³ =
  28. 28.1009³ =
  29. 29.995³ =
  30. 30.92³ =
  31. 31.103³ =
  32. 32.1020³ =
  33. 33.1017³ =
  34. 34.1016³ =
  35. 35.93³ =
  36. 36.93³ =
  37. 37.1005³ =
  38. 38.102³ =
  39. 39.995³ =
  40. 40.97³ =

Answer key

  1. 964430272
  2. 1003003001
  3. 1042590744
  4. 1027243729
  5. 1295029
  6. 1015075125
  7. 941192000
  8. 1009027027
  9. 1061208
  10. 970299000
  11. 1092727
  12. 964430272
  13. 973242271
  14. 1092727
  15. 970299
  16. 982107784
  17. 1033364331
  18. 997002999
  19. 830584
  20. 970299
  21. 1191016
  22. 1061208
  23. 1295029
  24. 1030301
  25. 970299
  26. 857375
  27. 1295029
  28. 1027243729
  29. 985074875
  30. 778688
  31. 1092727
  32. 1061208000
  33. 1051871913
  34. 1048772096
  35. 804357
  36. 804357
  37. 1015075125
  38. 1061208
  39. 985074875
  40. 912673

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