7.9. If I only remember 3 things…

1. Choosing examples is possibly the most important part of the planning process, making up for deficiencies and ambiguities in definitions, explanations and rules.
2. Non-examples can be an effective way of adding clarity and completeness to students’ understanding of a concept.
3. Carefully designed progression and variation in examples and exercises can allow students to make the vital connections that develop both procedural fluency and conceptual understanding.