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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 730 · 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. 1.980³ =
  2. 2.108³ =
  3. 3.1003³ =
  4. 4.1017³ =
  5. 5.103³ =
  6. 6.107³ =
  7. 7.95³ =
  8. 8.1001³ =
  9. 9.103³ =
  10. 10.1005³ =
  11. 11.96³ =
  12. 12.101³ =
  13. 13.96³ =
  14. 14.987³ =
  15. 15.996³ =
  16. 16.92³ =
  17. 17.92³ =
  18. 18.91³ =
  19. 19.106³ =
  20. 20.1019³ =
  21. 21.1011³ =
  22. 22.108³ =
  23. 23.1011³ =
  24. 24.99³ =
  25. 25.992³ =
  26. 26.107³ =
  27. 27.999³ =
  28. 28.105³ =
  29. 29.99³ =
  30. 30.103³ =
  31. 31.1014³ =
  32. 32.987³ =
  33. 33.92³ =
  34. 34.1011³ =
  35. 35.99³ =
  36. 36.983³ =
  37. 37.99³ =
  38. 38.98³ =
  39. 39.1013³ =
  40. 40.103³ =

Answer key

  1. 941192000
  2. 1259712
  3. 1009027027
  4. 1051871913
  5. 1092727
  6. 1225043
  7. 857375
  8. 1003003001
  9. 1092727
  10. 1015075125
  11. 884736
  12. 1030301
  13. 884736
  14. 961504803
  15. 988047936
  16. 778688
  17. 778688
  18. 753571
  19. 1191016
  20. 1058089859
  21. 1033364331
  22. 1259712
  23. 1033364331
  24. 970299
  25. 976191488
  26. 1225043
  27. 997002999
  28. 1157625
  29. 970299
  30. 1092727
  31. 1042590744
  32. 961504803
  33. 778688
  34. 1033364331
  35. 970299
  36. 949862087
  37. 970299
  38. 941192
  39. 1039509197
  40. 1092727

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