Concepts from the Australian mathematics curriculum on fractions were used as core elements to design three computer games. In each game, the concepts were presented in the form of tangible puzzles, customized to a difficulty level based on student capability. The games were integrated into a single virtual game world, and a fantasy story was used…

Researchers used a fifth-grade videodisc fractions program to examine accountability in mastery learning programs. Four classes were randomly assigned to two treatments (those who were and were not aware of participation in mastery learning). Results revealed standardized mean differences for achievement favoring knowledge of being in the mastery…