A teacher uses role play method in mathematics class. Her aim is :

Role play is an activity-based, learner-centred teaching method in which children themselves enact a situation, character, or relationship rather than merely listening to the teacher explain it. In a mathematics classroom, its instructional purpose is to give learners a concrete way to represent, communicate, and express their own mathematical thinking — not to fill time, amuse them, or control behaviour.

When a teacher uses role play in a mathematics lesson, she is deliberately creating a situation where children act out relationships or procedures themselves, putting their understanding into words and actions. This is precisely what it means to project ideas: the method exists to let learners externalise and share their own reasoning about a mathematical concept.

• Keeping children busy describes only an incidental side-effect of any classroom activity; it says nothing about why role play specifically is chosen as a teaching strategy.

• Entertaining children mistakes the engaging, active nature of role play for amusement as an end in itself; enjoyment is not the instructional reason a teacher selects this method.

• Maintaining discipline is a classroom-management concern, separate from the pedagogical purpose of using an activity-based method to build mathematical understanding.

Hence, the teacher's aim in using role play in the mathematics class is projecting ideas.