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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 975 · 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. 1.96³ =
  2. 2.105³ =
  3. 3.1014³ =
  4. 4.994³ =
  5. 5.95³ =
  6. 6.92³ =
  7. 7.93³ =
  8. 8.995³ =
  9. 9.996³ =
  10. 10.92³ =
  11. 11.1018³ =
  12. 12.94³ =
  13. 13.106³ =
  14. 14.97³ =
  15. 15.1020³ =
  16. 16.1011³ =
  17. 17.101³ =
  18. 18.1014³ =
  19. 19.1011³ =
  20. 20.1015³ =
  21. 21.986³ =
  22. 22.96³ =
  23. 23.103³ =
  24. 24.1001³ =
  25. 25.1005³ =
  26. 26.1002³ =
  27. 27.91³ =
  28. 28.989³ =
  29. 29.988³ =
  30. 30.1009³ =
  31. 31.99³ =
  32. 32.96³ =
  33. 33.999³ =
  34. 34.1019³ =
  35. 35.94³ =
  36. 36.93³ =
  37. 37.92³ =
  38. 38.990³ =
  39. 39.94³ =
  40. 40.992³ =

Answer key

  1. 884736
  2. 1157625
  3. 1042590744
  4. 982107784
  5. 857375
  6. 778688
  7. 804357
  8. 985074875
  9. 988047936
  10. 778688
  11. 1054977832
  12. 830584
  13. 1191016
  14. 912673
  15. 1061208000
  16. 1033364331
  17. 1030301
  18. 1042590744
  19. 1033364331
  20. 1045678375
  21. 958585256
  22. 884736
  23. 1092727
  24. 1003003001
  25. 1015075125
  26. 1006012008
  27. 753571
  28. 967361669
  29. 964430272
  30. 1027243729
  31. 970299
  32. 884736
  33. 997002999
  34. 1058089859
  35. 830584
  36. 804357
  37. 778688
  38. 970299000
  39. 830584
  40. 976191488

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