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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 79 · 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. 1.95³ =
  2. 2.105³ =
  3. 3.109³ =
  4. 4.95³ =
  5. 5.92³ =
  6. 6.997³ =
  7. 7.102³ =
  8. 8.984³ =
  9. 9.107³ =
  10. 10.98³ =
  11. 11.1015³ =
  12. 12.103³ =
  13. 13.97³ =
  14. 14.97³ =
  15. 15.98³ =
  16. 16.94³ =
  17. 17.994³ =
  18. 18.106³ =
  19. 19.91³ =
  20. 20.96³ =
  21. 21.1019³ =
  22. 22.1018³ =
  23. 23.106³ =
  24. 24.91³ =
  25. 25.996³ =
  26. 26.990³ =
  27. 27.987³ =
  28. 28.105³ =
  29. 29.988³ =
  30. 30.98³ =
  31. 31.106³ =
  32. 32.981³ =
  33. 33.989³ =
  34. 34.1014³ =
  35. 35.990³ =
  36. 36.1001³ =
  37. 37.108³ =
  38. 38.103³ =
  39. 39.108³ =
  40. 40.94³ =

Answer key

  1. 857375
  2. 1157625
  3. 1295029
  4. 857375
  5. 778688
  6. 991026973
  7. 1061208
  8. 952763904
  9. 1225043
  10. 941192
  11. 1045678375
  12. 1092727
  13. 912673
  14. 912673
  15. 941192
  16. 830584
  17. 982107784
  18. 1191016
  19. 753571
  20. 884736
  21. 1058089859
  22. 1054977832
  23. 1191016
  24. 753571
  25. 988047936
  26. 970299000
  27. 961504803
  28. 1157625
  29. 964430272
  30. 941192
  31. 1191016
  32. 944076141
  33. 967361669
  34. 1042590744
  35. 970299000
  36. 1003003001
  37. 1259712
  38. 1092727
  39. 1259712
  40. 830584

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