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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 355 · 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. 1.104³ =
  2. 2.91³ =
  3. 3.986³ =
  4. 4.984³ =
  5. 5.1018³ =
  6. 6.1015³ =
  7. 7.92³ =
  8. 8.1011³ =
  9. 9.993³ =
  10. 10.986³ =
  11. 11.98³ =
  12. 12.109³ =
  13. 13.101³ =
  14. 14.983³ =
  15. 15.95³ =
  16. 16.993³ =
  17. 17.97³ =
  18. 18.99³ =
  19. 19.991³ =
  20. 20.93³ =
  21. 21.108³ =
  22. 22.97³ =
  23. 23.109³ =
  24. 24.92³ =
  25. 25.994³ =
  26. 26.103³ =
  27. 27.106³ =
  28. 28.102³ =
  29. 29.992³ =
  30. 30.983³ =
  31. 31.103³ =
  32. 32.93³ =
  33. 33.91³ =
  34. 34.102³ =
  35. 35.982³ =
  36. 36.1007³ =
  37. 37.94³ =
  38. 38.107³ =
  39. 39.1020³ =
  40. 40.107³ =

Answer key

  1. 1124864
  2. 753571
  3. 958585256
  4. 952763904
  5. 1054977832
  6. 1045678375
  7. 778688
  8. 1033364331
  9. 979146657
  10. 958585256
  11. 941192
  12. 1295029
  13. 1030301
  14. 949862087
  15. 857375
  16. 979146657
  17. 912673
  18. 970299
  19. 973242271
  20. 804357
  21. 1259712
  22. 912673
  23. 1295029
  24. 778688
  25. 982107784
  26. 1092727
  27. 1191016
  28. 1061208
  29. 976191488
  30. 949862087
  31. 1092727
  32. 804357
  33. 753571
  34. 1061208
  35. 946966168
  36. 1021147343
  37. 830584
  38. 1225043
  39. 1061208000
  40. 1225043

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