- allOOstazPick a Number Game with Fractions Between 0 and 1Practising multiplicationThe Square Tangram PuzzleChinese Match Puzzles 2 (7 puzzles)The Pentomino PuzzleLights Out GameDice Rolling SimulationPractising subtractionAll kinds of rectanglesOptical IllusionTest AppletCalendar Math Percent Wheel (150 days)Adding Fractions