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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 213 · 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. 1.91³ =
  2. 2.987³ =
  3. 3.101³ =
  4. 4.98³ =
  5. 5.96³ =
  6. 6.994³ =
  7. 7.1020³ =
  8. 8.91³ =
  9. 9.1013³ =
  10. 10.104³ =
  11. 11.104³ =
  12. 12.1012³ =
  13. 13.97³ =
  14. 14.107³ =
  15. 15.106³ =
  16. 16.999³ =
  17. 17.92³ =
  18. 18.1001³ =
  19. 19.981³ =
  20. 20.103³ =
  21. 21.981³ =
  22. 22.105³ =
  23. 23.996³ =
  24. 24.1013³ =
  25. 25.106³ =
  26. 26.982³ =
  27. 27.96³ =
  28. 28.103³ =
  29. 29.108³ =
  30. 30.102³ =
  31. 31.102³ =
  32. 32.992³ =
  33. 33.980³ =
  34. 34.91³ =
  35. 35.98³ =
  36. 36.1008³ =
  37. 37.1014³ =
  38. 38.108³ =
  39. 39.991³ =
  40. 40.102³ =

Answer key

  1. 753571
  2. 961504803
  3. 1030301
  4. 941192
  5. 884736
  6. 982107784
  7. 1061208000
  8. 753571
  9. 1039509197
  10. 1124864
  11. 1124864
  12. 1036433728
  13. 912673
  14. 1225043
  15. 1191016
  16. 997002999
  17. 778688
  18. 1003003001
  19. 944076141
  20. 1092727
  21. 944076141
  22. 1157625
  23. 988047936
  24. 1039509197
  25. 1191016
  26. 946966168
  27. 884736
  28. 1092727
  29. 1259712
  30. 1061208
  31. 1061208
  32. 976191488
  33. 941192000
  34. 753571
  35. 941192
  36. 1024192512
  37. 1042590744
  38. 1259712
  39. 973242271
  40. 1061208

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