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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 693 · 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. 1.94³ =
  2. 2.981³ =
  3. 3.1018³ =
  4. 4.94³ =
  5. 5.99³ =
  6. 6.99³ =
  7. 7.1017³ =
  8. 8.107³ =
  9. 9.991³ =
  10. 10.1001³ =
  11. 11.983³ =
  12. 12.95³ =
  13. 13.991³ =
  14. 14.92³ =
  15. 15.1010³ =
  16. 16.91³ =
  17. 17.101³ =
  18. 18.109³ =
  19. 19.994³ =
  20. 20.98³ =
  21. 21.1017³ =
  22. 22.94³ =
  23. 23.988³ =
  24. 24.1014³ =
  25. 25.107³ =
  26. 26.997³ =
  27. 27.995³ =
  28. 28.980³ =
  29. 29.102³ =
  30. 30.999³ =
  31. 31.93³ =
  32. 32.994³ =
  33. 33.102³ =
  34. 34.1001³ =
  35. 35.1016³ =
  36. 36.1013³ =
  37. 37.1001³ =
  38. 38.106³ =
  39. 39.98³ =
  40. 40.99³ =

Answer key

  1. 830584
  2. 944076141
  3. 1054977832
  4. 830584
  5. 970299
  6. 970299
  7. 1051871913
  8. 1225043
  9. 973242271
  10. 1003003001
  11. 949862087
  12. 857375
  13. 973242271
  14. 778688
  15. 1030301000
  16. 753571
  17. 1030301
  18. 1295029
  19. 982107784
  20. 941192
  21. 1051871913
  22. 830584
  23. 964430272
  24. 1042590744
  25. 1225043
  26. 991026973
  27. 985074875
  28. 941192000
  29. 1061208
  30. 997002999
  31. 804357
  32. 982107784
  33. 1061208
  34. 1003003001
  35. 1048772096
  36. 1039509197
  37. 1003003001
  38. 1191016
  39. 941192
  40. 970299

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