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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 630 · 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. 1.106³ =
  2. 2.98³ =
  3. 3.1019³ =
  4. 4.93³ =
  5. 5.97³ =
  6. 6.1005³ =
  7. 7.92³ =
  8. 8.91³ =
  9. 9.999³ =
  10. 10.1015³ =
  11. 11.984³ =
  12. 12.96³ =
  13. 13.999³ =
  14. 14.102³ =
  15. 15.1012³ =
  16. 16.103³ =
  17. 17.999³ =
  18. 18.95³ =
  19. 19.102³ =
  20. 20.95³ =
  21. 21.1001³ =
  22. 22.985³ =
  23. 23.999³ =
  24. 24.992³ =
  25. 25.1015³ =
  26. 26.995³ =
  27. 27.97³ =
  28. 28.1016³ =
  29. 29.96³ =
  30. 30.101³ =
  31. 31.981³ =
  32. 32.999³ =
  33. 33.993³ =
  34. 34.91³ =
  35. 35.94³ =
  36. 36.1017³ =
  37. 37.93³ =
  38. 38.99³ =
  39. 39.1007³ =
  40. 40.93³ =

Answer key

  1. 1191016
  2. 941192
  3. 1058089859
  4. 804357
  5. 912673
  6. 1015075125
  7. 778688
  8. 753571
  9. 997002999
  10. 1045678375
  11. 952763904
  12. 884736
  13. 997002999
  14. 1061208
  15. 1036433728
  16. 1092727
  17. 997002999
  18. 857375
  19. 1061208
  20. 857375
  21. 1003003001
  22. 955671625
  23. 997002999
  24. 976191488
  25. 1045678375
  26. 985074875
  27. 912673
  28. 1048772096
  29. 884736
  30. 1030301
  31. 944076141
  32. 997002999
  33. 979146657
  34. 753571
  35. 830584
  36. 1051871913
  37. 804357
  38. 970299
  39. 1021147343
  40. 804357

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