Depth of Knowledge & Understanding知識和理解的深度

The lesson enables students to sustain a focus on a mathematical topic or unit, to understand the problematic nature of ideas by arriving at a reasoned or supported conclusion, and to explain how they solved a problem.

The lesson supports students’ mathematical understanding and makes their thinking or understanding visible and deep.

Teacher uses strategic questioning and references to students’ work, talk or behaviour that enable students to examine mathematical concepts and/or procedures to support thinking and to clarify sources of potential confusion or misunderstanding.