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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 615 · 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. 2.96³ =
  3. 3.992³ =
  4. 4.91³ =
  5. 5.95³ =
  6. 6.106³ =
  7. 7.1013³ =
  8. 8.1002³ =
  9. 9.981³ =
  10. 10.989³ =
  11. 11.94³ =
  12. 12.1019³ =
  13. 13.105³ =
  14. 14.1014³ =
  15. 15.99³ =
  16. 16.984³ =
  17. 17.96³ =
  18. 18.984³ =
  19. 19.98³ =
  20. 20.984³ =
  21. 21.95³ =
  22. 22.102³ =
  23. 23.95³ =
  24. 24.999³ =
  25. 25.97³ =
  26. 26.989³ =
  27. 27.993³ =
  28. 28.103³ =
  29. 29.92³ =
  30. 30.1015³ =
  31. 31.96³ =
  32. 32.1019³ =
  33. 33.109³ =
  34. 34.93³ =
  35. 35.1001³ =
  36. 36.1004³ =
  37. 37.991³ =
  38. 38.109³ =
  39. 39.95³ =
  40. 40.107³ =

Answer key

  1. 1061208
  2. 884736
  3. 976191488
  4. 753571
  5. 857375
  6. 1191016
  7. 1039509197
  8. 1006012008
  9. 944076141
  10. 967361669
  11. 830584
  12. 1058089859
  13. 1157625
  14. 1042590744
  15. 970299
  16. 952763904
  17. 884736
  18. 952763904
  19. 941192
  20. 952763904
  21. 857375
  22. 1061208
  23. 857375
  24. 997002999
  25. 912673
  26. 967361669
  27. 979146657
  28. 1092727
  29. 778688
  30. 1045678375
  31. 884736
  32. 1058089859
  33. 1295029
  34. 804357
  35. 1003003001
  36. 1012048064
  37. 973242271
  38. 1295029
  39. 857375
  40. 1225043

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