Δεκαδικοί και κλάσματα
http://inschool.gr/G4/MATH/DEKADIKOI-PRAC-G4-MATH-MYtriviaGROR-1405241804-tzortzisk/index.html
http://inschool.gr/G4/MATH/DEKADIKOI-PRAC-G4-MATH-MYtriviaGROR-1405241804-tzortzisk/index.html
http://www.daskalosa.eu/ups/Maths_ST/03_metatropi_dekadikon_se_klasmata/story_html5.html
http://photodentro.edu.gr/v/item/ds/8521/4179
https://sway.office.com/iDVDkX8BCqu2I9So?ref=Link&loc=play
https://wordwall.net/el/resource/1429644
https://wordwall.net/el/resource/8475918
https://wordwall.net/el/resource/1151390
https://youtu.be/2D5NefqTfmA
https://youtu.be/RvC2OnPkyBc