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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 46 · 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. 1.1010³ =
  2. 2.1001³ =
  3. 3.97³ =
  4. 4.104³ =
  5. 5.94³ =
  6. 6.984³ =
  7. 7.997³ =
  8. 8.106³ =
  9. 9.96³ =
  10. 10.985³ =
  11. 11.1015³ =
  12. 12.1005³ =
  13. 13.992³ =
  14. 14.107³ =
  15. 15.994³ =
  16. 16.982³ =
  17. 17.97³ =
  18. 18.98³ =
  19. 19.101³ =
  20. 20.107³ =
  21. 21.1002³ =
  22. 22.97³ =
  23. 23.102³ =
  24. 24.999³ =
  25. 25.94³ =
  26. 26.99³ =
  27. 27.98³ =
  28. 28.981³ =
  29. 29.1014³ =
  30. 30.984³ =
  31. 31.997³ =
  32. 32.992³ =
  33. 33.987³ =
  34. 34.1017³ =
  35. 35.1011³ =
  36. 36.101³ =
  37. 37.1006³ =
  38. 38.1002³ =
  39. 39.95³ =
  40. 40.1004³ =

Answer key

  1. 1030301000
  2. 1003003001
  3. 912673
  4. 1124864
  5. 830584
  6. 952763904
  7. 991026973
  8. 1191016
  9. 884736
  10. 955671625
  11. 1045678375
  12. 1015075125
  13. 976191488
  14. 1225043
  15. 982107784
  16. 946966168
  17. 912673
  18. 941192
  19. 1030301
  20. 1225043
  21. 1006012008
  22. 912673
  23. 1061208
  24. 997002999
  25. 830584
  26. 970299
  27. 941192
  28. 944076141
  29. 1042590744
  30. 952763904
  31. 991026973
  32. 976191488
  33. 961504803
  34. 1051871913
  35. 1033364331
  36. 1030301
  37. 1018108216
  38. 1006012008
  39. 857375
  40. 1012048064

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