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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 23 · 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. 2.1020³ =
  3. 3.1016³ =
  4. 4.99³ =
  5. 5.101³ =
  6. 6.998³ =
  7. 7.992³ =
  8. 8.998³ =
  9. 9.101³ =
  10. 10.996³ =
  11. 11.991³ =
  12. 12.97³ =
  13. 13.1015³ =
  14. 14.95³ =
  15. 15.1003³ =
  16. 16.101³ =
  17. 17.98³ =
  18. 18.992³ =
  19. 19.93³ =
  20. 20.989³ =
  21. 21.989³ =
  22. 22.93³ =
  23. 23.1009³ =
  24. 24.101³ =
  25. 25.1002³ =
  26. 26.1014³ =
  27. 27.102³ =
  28. 28.96³ =
  29. 29.982³ =
  30. 30.95³ =
  31. 31.994³ =
  32. 32.1006³ =
  33. 33.1001³ =
  34. 34.994³ =
  35. 35.104³ =
  36. 36.107³ =
  37. 37.104³ =
  38. 38.98³ =
  39. 39.106³ =
  40. 40.91³ =

Answer key

  1. 1061208
  2. 1061208000
  3. 1048772096
  4. 970299
  5. 1030301
  6. 994011992
  7. 976191488
  8. 994011992
  9. 1030301
  10. 988047936
  11. 973242271
  12. 912673
  13. 1045678375
  14. 857375
  15. 1009027027
  16. 1030301
  17. 941192
  18. 976191488
  19. 804357
  20. 967361669
  21. 967361669
  22. 804357
  23. 1027243729
  24. 1030301
  25. 1006012008
  26. 1042590744
  27. 1061208
  28. 884736
  29. 946966168
  30. 857375
  31. 982107784
  32. 1018108216
  33. 1003003001
  34. 982107784
  35. 1124864
  36. 1225043
  37. 1124864
  38. 941192
  39. 1191016
  40. 753571

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