EQUIVALENT FRACTIONS:
http://www.sheppardsoftware.com/mathgames/fractions/memory_equivalent1.htm
http://www.mathplayground.com/Triplets/Triplets.html
http://www.sheppardsoftware.com/mathgames/fractions/equivalent_fractions_shoot.htm
https://www.studyladder.com/games/activity/modelling-equivalent-fractions-21303
http://www.sheppardsoftware.com/mathgames/fractions/memory_equivalent1.htm
http://www.mathplayground.com/Triplets/Triplets.html
http://www.sheppardsoftware.com/mathgames/fractions/equivalent_fractions_shoot.htm
https://www.studyladder.com/games/activity/modelling-equivalent-fractions-21303