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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 947 · 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. 1.109³ =
  2. 2.988³ =
  3. 3.104³ =
  4. 4.104³ =
  5. 5.101³ =
  6. 6.97³ =
  7. 7.108³ =
  8. 8.103³ =
  9. 9.91³ =
  10. 10.103³ =
  11. 11.991³ =
  12. 12.99³ =
  13. 13.987³ =
  14. 14.91³ =
  15. 15.1004³ =
  16. 16.98³ =
  17. 17.1013³ =
  18. 18.997³ =
  19. 19.102³ =
  20. 20.993³ =
  21. 21.989³ =
  22. 22.996³ =
  23. 23.97³ =
  24. 24.1006³ =
  25. 25.980³ =
  26. 26.1007³ =
  27. 27.1002³ =
  28. 28.101³ =
  29. 29.997³ =
  30. 30.107³ =
  31. 31.1004³ =
  32. 32.106³ =
  33. 33.994³ =
  34. 34.999³ =
  35. 35.96³ =
  36. 36.1019³ =
  37. 37.98³ =
  38. 38.981³ =
  39. 39.108³ =
  40. 40.92³ =

Answer key

  1. 1295029
  2. 964430272
  3. 1124864
  4. 1124864
  5. 1030301
  6. 912673
  7. 1259712
  8. 1092727
  9. 753571
  10. 1092727
  11. 973242271
  12. 970299
  13. 961504803
  14. 753571
  15. 1012048064
  16. 941192
  17. 1039509197
  18. 991026973
  19. 1061208
  20. 979146657
  21. 967361669
  22. 988047936
  23. 912673
  24. 1018108216
  25. 941192000
  26. 1021147343
  27. 1006012008
  28. 1030301
  29. 991026973
  30. 1225043
  31. 1012048064
  32. 1191016
  33. 982107784
  34. 997002999
  35. 884736
  36. 1058089859
  37. 941192
  38. 944076141
  39. 1259712
  40. 778688

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