Answer to Question #225986 in Geometry for Tlou

Question

Describe the difference between van Hiele level 2 and level 3

Answer 1

Level 2 Abstraction (Informal deduction or Ordering or Relational)

Pupils or students at this level recognize correlations between qualities and figures. They come up with meaningful definitions. They can provide basic reasons to support their reasoning. They can create logical maps and diagrams. They make use of drawings, grid paper, and geometric SW.

Level 3 Deduction (Formal deduction)

Students at this level can provide deductive geometric proofs. They may distinguish between required and sufficient circumstances. They determine which qualities are suggested by the actions of others. They comprehend the significance of definitions, theorems, axioms, and proofs.