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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 711 · 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. 2.95³ =
  3. 3.107³ =
  4. 4.97³ =
  5. 5.105³ =
  6. 6.1020³ =
  7. 7.91³ =
  8. 8.1020³ =
  9. 9.994³ =
  10. 10.986³ =
  11. 11.983³ =
  12. 12.97³ =
  13. 13.97³ =
  14. 14.102³ =
  15. 15.1008³ =
  16. 16.96³ =
  17. 17.97³ =
  18. 18.108³ =
  19. 19.101³ =
  20. 20.103³ =
  21. 21.108³ =
  22. 22.99³ =
  23. 23.98³ =
  24. 24.1005³ =
  25. 25.99³ =
  26. 26.1006³ =
  27. 27.1019³ =
  28. 28.99³ =
  29. 29.999³ =
  30. 30.989³ =
  31. 31.109³ =
  32. 32.98³ =
  33. 33.109³ =
  34. 34.91³ =
  35. 35.96³ =
  36. 36.990³ =
  37. 37.94³ =
  38. 38.109³ =
  39. 39.94³ =
  40. 40.95³ =

Answer key

  1. 1061208
  2. 857375
  3. 1225043
  4. 912673
  5. 1157625
  6. 1061208000
  7. 753571
  8. 1061208000
  9. 982107784
  10. 958585256
  11. 949862087
  12. 912673
  13. 912673
  14. 1061208
  15. 1024192512
  16. 884736
  17. 912673
  18. 1259712
  19. 1030301
  20. 1092727
  21. 1259712
  22. 970299
  23. 941192
  24. 1015075125
  25. 970299
  26. 1018108216
  27. 1058089859
  28. 970299
  29. 997002999
  30. 967361669
  31. 1295029
  32. 941192
  33. 1295029
  34. 753571
  35. 884736
  36. 970299000
  37. 830584
  38. 1295029
  39. 830584
  40. 857375

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