To maintain interest among students in class, a teacher should

To sustain interest a teacher should do all three: use instructional aids fully, hold discussions, and ask questions intermittently.

Making maximum use of teaching aids alone engages the senses but not interaction.

Discussion alone builds participation but omits the other supports.

Asking questions intermittently alone maintains alertness but is only one device.

Variety in stimuli is a proven way to hold attention.

Active involvement counters the monotony that dulls interest.