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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 258 · 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. 1.1020³ =
  2. 2.92³ =
  3. 3.1017³ =
  4. 4.1009³ =
  5. 5.1008³ =
  6. 6.103³ =
  7. 7.107³ =
  8. 8.980³ =
  9. 9.106³ =
  10. 10.106³ =
  11. 11.92³ =
  12. 12.108³ =
  13. 13.990³ =
  14. 14.1004³ =
  15. 15.102³ =
  16. 16.985³ =
  17. 17.108³ =
  18. 18.109³ =
  19. 19.96³ =
  20. 20.999³ =
  21. 21.1009³ =
  22. 22.94³ =
  23. 23.101³ =
  24. 24.93³ =
  25. 25.108³ =
  26. 26.102³ =
  27. 27.91³ =
  28. 28.1001³ =
  29. 29.988³ =
  30. 30.105³ =
  31. 31.92³ =
  32. 32.93³ =
  33. 33.93³ =
  34. 34.99³ =
  35. 35.992³ =
  36. 36.997³ =
  37. 37.93³ =
  38. 38.108³ =
  39. 39.93³ =
  40. 40.103³ =

Answer key

  1. 1061208000
  2. 778688
  3. 1051871913
  4. 1027243729
  5. 1024192512
  6. 1092727
  7. 1225043
  8. 941192000
  9. 1191016
  10. 1191016
  11. 778688
  12. 1259712
  13. 970299000
  14. 1012048064
  15. 1061208
  16. 955671625
  17. 1259712
  18. 1295029
  19. 884736
  20. 997002999
  21. 1027243729
  22. 830584
  23. 1030301
  24. 804357
  25. 1259712
  26. 1061208
  27. 753571
  28. 1003003001
  29. 964430272
  30. 1157625
  31. 778688
  32. 804357
  33. 804357
  34. 970299
  35. 976191488
  36. 991026973
  37. 804357
  38. 1259712
  39. 804357
  40. 1092727

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