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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 282 · 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. 1.1018³ =
  2. 2.95³ =
  3. 3.1017³ =
  4. 4.988³ =
  5. 5.91³ =
  6. 6.984³ =
  7. 7.95³ =
  8. 8.989³ =
  9. 9.102³ =
  10. 10.102³ =
  11. 11.103³ =
  12. 12.106³ =
  13. 13.1014³ =
  14. 14.99³ =
  15. 15.994³ =
  16. 16.92³ =
  17. 17.108³ =
  18. 18.989³ =
  19. 19.97³ =
  20. 20.1020³ =
  21. 21.92³ =
  22. 22.1016³ =
  23. 23.105³ =
  24. 24.91³ =
  25. 25.105³ =
  26. 26.102³ =
  27. 27.999³ =
  28. 28.95³ =
  29. 29.102³ =
  30. 30.108³ =
  31. 31.101³ =
  32. 32.95³ =
  33. 33.99³ =
  34. 34.106³ =
  35. 35.993³ =
  36. 36.98³ =
  37. 37.992³ =
  38. 38.109³ =
  39. 39.91³ =
  40. 40.1012³ =

Answer key

  1. 1054977832
  2. 857375
  3. 1051871913
  4. 964430272
  5. 753571
  6. 952763904
  7. 857375
  8. 967361669
  9. 1061208
  10. 1061208
  11. 1092727
  12. 1191016
  13. 1042590744
  14. 970299
  15. 982107784
  16. 778688
  17. 1259712
  18. 967361669
  19. 912673
  20. 1061208000
  21. 778688
  22. 1048772096
  23. 1157625
  24. 753571
  25. 1157625
  26. 1061208
  27. 997002999
  28. 857375
  29. 1061208
  30. 1259712
  31. 1030301
  32. 857375
  33. 970299
  34. 1191016
  35. 979146657
  36. 941192
  37. 976191488
  38. 1295029
  39. 753571
  40. 1036433728

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