https://wordwall.net/el/resource/28105836

https://wordwall.net/el/resource/1194338

https://wordwall.net/el/resource/1377464

http://users.sch.gr/sudiakos/%CE%94%CE%B5%CE%BA%CE%B1%CE%B4%CE%B9%CE%BA%CE%BF%CE%AF%20%CE%B1%CF%81%CE%B9%CE%B8%CE%BC%CE%BF%CE%AF%20%E2%80%93%20%CE%B4%CE%B5%CE%BA%CE%B1%CE%B4%CE%B9%CE%BA%CE%AC%20%CE%BA%CE%BB%CE%AC%CF%83%CE%BC%CE%B1%CF%84%CE%B1/story_html5.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://www.mathplayground.com/math_racer_multiplication.html

https://www.mathplayground.com/bingo-fractions-on-number-line.html

https://www.mathplayground.com/ASB_GrandPrixMultiplication.html