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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 272 · 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. 1.1007³ =
  2. 2.95³ =
  3. 3.1005³ =
  4. 4.96³ =
  5. 5.99³ =
  6. 6.999³ =
  7. 7.98³ =
  8. 8.1006³ =
  9. 9.990³ =
  10. 10.101³ =
  11. 11.980³ =
  12. 12.107³ =
  13. 13.994³ =
  14. 14.982³ =
  15. 15.101³ =
  16. 16.94³ =
  17. 17.989³ =
  18. 18.1010³ =
  19. 19.995³ =
  20. 20.98³ =
  21. 21.105³ =
  22. 22.94³ =
  23. 23.98³ =
  24. 24.109³ =
  25. 25.992³ =
  26. 26.980³ =
  27. 27.97³ =
  28. 28.1006³ =
  29. 29.1005³ =
  30. 30.102³ =
  31. 31.1009³ =
  32. 32.980³ =
  33. 33.103³ =
  34. 34.1010³ =
  35. 35.1020³ =
  36. 36.99³ =
  37. 37.105³ =
  38. 38.96³ =
  39. 39.992³ =
  40. 40.999³ =

Answer key

  1. 1021147343
  2. 857375
  3. 1015075125
  4. 884736
  5. 970299
  6. 997002999
  7. 941192
  8. 1018108216
  9. 970299000
  10. 1030301
  11. 941192000
  12. 1225043
  13. 982107784
  14. 946966168
  15. 1030301
  16. 830584
  17. 967361669
  18. 1030301000
  19. 985074875
  20. 941192
  21. 1157625
  22. 830584
  23. 941192
  24. 1295029
  25. 976191488
  26. 941192000
  27. 912673
  28. 1018108216
  29. 1015075125
  30. 1061208
  31. 1027243729
  32. 941192000
  33. 1092727
  34. 1030301000
  35. 1061208000
  36. 970299
  37. 1157625
  38. 884736
  39. 976191488
  40. 997002999

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