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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 789 · 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. 1.102³ =
  2. 2.98³ =
  3. 3.93³ =
  4. 4.96³ =
  5. 5.988³ =
  6. 6.98³ =
  7. 7.992³ =
  8. 8.108³ =
  9. 9.91³ =
  10. 10.1010³ =
  11. 11.91³ =
  12. 12.104³ =
  13. 13.94³ =
  14. 14.97³ =
  15. 15.998³ =
  16. 16.97³ =
  17. 17.1020³ =
  18. 18.982³ =
  19. 19.102³ =
  20. 20.91³ =
  21. 21.96³ =
  22. 22.94³ =
  23. 23.999³ =
  24. 24.97³ =
  25. 25.104³ =
  26. 26.107³ =
  27. 27.998³ =
  28. 28.991³ =
  29. 29.108³ =
  30. 30.993³ =
  31. 31.982³ =
  32. 32.109³ =
  33. 33.94³ =
  34. 34.988³ =
  35. 35.96³ =
  36. 36.1002³ =
  37. 37.98³ =
  38. 38.105³ =
  39. 39.108³ =
  40. 40.103³ =

Answer key

  1. 1061208
  2. 941192
  3. 804357
  4. 884736
  5. 964430272
  6. 941192
  7. 976191488
  8. 1259712
  9. 753571
  10. 1030301000
  11. 753571
  12. 1124864
  13. 830584
  14. 912673
  15. 994011992
  16. 912673
  17. 1061208000
  18. 946966168
  19. 1061208
  20. 753571
  21. 884736
  22. 830584
  23. 997002999
  24. 912673
  25. 1124864
  26. 1225043
  27. 994011992
  28. 973242271
  29. 1259712
  30. 979146657
  31. 946966168
  32. 1295029
  33. 830584
  34. 964430272
  35. 884736
  36. 1006012008
  37. 941192
  38. 1157625
  39. 1259712
  40. 1092727

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