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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 770 · 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. 1.1004³ =
  2. 2.93³ =
  3. 3.989³ =
  4. 4.997³ =
  5. 5.108³ =
  6. 6.108³ =
  7. 7.993³ =
  8. 8.107³ =
  9. 9.106³ =
  10. 10.106³ =
  11. 11.996³ =
  12. 12.98³ =
  13. 13.990³ =
  14. 14.94³ =
  15. 15.99³ =
  16. 16.982³ =
  17. 17.985³ =
  18. 18.992³ =
  19. 19.989³ =
  20. 20.94³ =
  21. 21.97³ =
  22. 22.103³ =
  23. 23.97³ =
  24. 24.91³ =
  25. 25.103³ =
  26. 26.94³ =
  27. 27.993³ =
  28. 28.101³ =
  29. 29.99³ =
  30. 30.96³ =
  31. 31.95³ =
  32. 32.980³ =
  33. 33.106³ =
  34. 34.1010³ =
  35. 35.1011³ =
  36. 36.91³ =
  37. 37.95³ =
  38. 38.1002³ =
  39. 39.103³ =
  40. 40.91³ =

Answer key

  1. 1012048064
  2. 804357
  3. 967361669
  4. 991026973
  5. 1259712
  6. 1259712
  7. 979146657
  8. 1225043
  9. 1191016
  10. 1191016
  11. 988047936
  12. 941192
  13. 970299000
  14. 830584
  15. 970299
  16. 946966168
  17. 955671625
  18. 976191488
  19. 967361669
  20. 830584
  21. 912673
  22. 1092727
  23. 912673
  24. 753571
  25. 1092727
  26. 830584
  27. 979146657
  28. 1030301
  29. 970299
  30. 884736
  31. 857375
  32. 941192000
  33. 1191016
  34. 1030301000
  35. 1033364331
  36. 753571
  37. 857375
  38. 1006012008
  39. 1092727
  40. 753571

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