eeZee Fractions Combi is an excellent, easy and fun way to train fractions skills. Starting with simple diagrams, the app builds up to include decimals and percentages. The game works best when playing together, so players can help and learn from each other. The latest update has five levels: Level 1: Simple fractions, introducing representations Level 2: Simple fractions, introducing decimals Level 3: Equivalent fractions Level 4: Simple fractions, introducing percentages Level 5: All types and more complex fractions