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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 644 · 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. 1.1001³ =
  2. 2.1020³ =
  3. 3.104³ =
  4. 4.95³ =
  5. 5.109³ =
  6. 6.98³ =
  7. 7.97³ =
  8. 8.91³ =
  9. 9.95³ =
  10. 10.96³ =
  11. 11.102³ =
  12. 12.981³ =
  13. 13.91³ =
  14. 14.109³ =
  15. 15.91³ =
  16. 16.98³ =
  17. 17.1019³ =
  18. 18.105³ =
  19. 19.1007³ =
  20. 20.1008³ =
  21. 21.95³ =
  22. 22.97³ =
  23. 23.106³ =
  24. 24.91³ =
  25. 25.1007³ =
  26. 26.104³ =
  27. 27.1001³ =
  28. 28.97³ =
  29. 29.98³ =
  30. 30.1010³ =
  31. 31.984³ =
  32. 32.106³ =
  33. 33.1004³ =
  34. 34.1001³ =
  35. 35.1010³ =
  36. 36.107³ =
  37. 37.91³ =
  38. 38.101³ =
  39. 39.94³ =
  40. 40.994³ =

Answer key

  1. 1003003001
  2. 1061208000
  3. 1124864
  4. 857375
  5. 1295029
  6. 941192
  7. 912673
  8. 753571
  9. 857375
  10. 884736
  11. 1061208
  12. 944076141
  13. 753571
  14. 1295029
  15. 753571
  16. 941192
  17. 1058089859
  18. 1157625
  19. 1021147343
  20. 1024192512
  21. 857375
  22. 912673
  23. 1191016
  24. 753571
  25. 1021147343
  26. 1124864
  27. 1003003001
  28. 912673
  29. 941192
  30. 1030301000
  31. 952763904
  32. 1191016
  33. 1012048064
  34. 1003003001
  35. 1030301000
  36. 1225043
  37. 753571
  38. 1030301
  39. 830584
  40. 982107784

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