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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 831 · 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. 1.107³ =
  2. 2.1002³ =
  3. 3.98³ =
  4. 4.103³ =
  5. 5.95³ =
  6. 6.990³ =
  7. 7.988³ =
  8. 8.91³ =
  9. 9.1018³ =
  10. 10.108³ =
  11. 11.109³ =
  12. 12.997³ =
  13. 13.98³ =
  14. 14.992³ =
  15. 15.988³ =
  16. 16.1015³ =
  17. 17.102³ =
  18. 18.1017³ =
  19. 19.1011³ =
  20. 20.101³ =
  21. 21.103³ =
  22. 22.91³ =
  23. 23.1012³ =
  24. 24.1020³ =
  25. 25.98³ =
  26. 26.99³ =
  27. 27.984³ =
  28. 28.980³ =
  29. 29.981³ =
  30. 30.109³ =
  31. 31.993³ =
  32. 32.94³ =
  33. 33.106³ =
  34. 34.93³ =
  35. 35.983³ =
  36. 36.107³ =
  37. 37.94³ =
  38. 38.994³ =
  39. 39.988³ =
  40. 40.102³ =

Answer key

  1. 1225043
  2. 1006012008
  3. 941192
  4. 1092727
  5. 857375
  6. 970299000
  7. 964430272
  8. 753571
  9. 1054977832
  10. 1259712
  11. 1295029
  12. 991026973
  13. 941192
  14. 976191488
  15. 964430272
  16. 1045678375
  17. 1061208
  18. 1051871913
  19. 1033364331
  20. 1030301
  21. 1092727
  22. 753571
  23. 1036433728
  24. 1061208000
  25. 941192
  26. 970299
  27. 952763904
  28. 941192000
  29. 944076141
  30. 1295029
  31. 979146657
  32. 830584
  33. 1191016
  34. 804357
  35. 949862087
  36. 1225043
  37. 830584
  38. 982107784
  39. 964430272
  40. 1061208

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