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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 818 · 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. 2.98³ =
  3. 3.993³ =
  4. 4.106³ =
  5. 5.97³ =
  6. 6.1002³ =
  7. 7.1005³ =
  8. 8.1020³ =
  9. 9.998³ =
  10. 10.91³ =
  11. 11.103³ =
  12. 12.1010³ =
  13. 13.92³ =
  14. 14.95³ =
  15. 15.982³ =
  16. 16.104³ =
  17. 17.91³ =
  18. 18.980³ =
  19. 19.105³ =
  20. 20.996³ =
  21. 21.992³ =
  22. 22.103³ =
  23. 23.102³ =
  24. 24.102³ =
  25. 25.99³ =
  26. 26.109³ =
  27. 27.999³ =
  28. 28.103³ =
  29. 29.98³ =
  30. 30.999³ =
  31. 31.984³ =
  32. 32.97³ =
  33. 33.95³ =
  34. 34.95³ =
  35. 35.104³ =
  36. 36.107³ =
  37. 37.998³ =
  38. 38.992³ =
  39. 39.994³ =
  40. 40.99³ =

Answer key

  1. 1061208
  2. 941192
  3. 979146657
  4. 1191016
  5. 912673
  6. 1006012008
  7. 1015075125
  8. 1061208000
  9. 994011992
  10. 753571
  11. 1092727
  12. 1030301000
  13. 778688
  14. 857375
  15. 946966168
  16. 1124864
  17. 753571
  18. 941192000
  19. 1157625
  20. 988047936
  21. 976191488
  22. 1092727
  23. 1061208
  24. 1061208
  25. 970299
  26. 1295029
  27. 997002999
  28. 1092727
  29. 941192
  30. 997002999
  31. 952763904
  32. 912673
  33. 857375
  34. 857375
  35. 1124864
  36. 1225043
  37. 994011992
  38. 976191488
  39. 982107784
  40. 970299

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