Geometry

Teaching Logic in Geometry

Teaching Logic in Geometry

When building arguments, mathematically fluent students can understand and use definitions, assumptions, and facts. They can justify their statements and conclusion by relying on logic. This ...

Proving Theorems in Geometry

Proving Theorems in Geometry

When students start learning about proving theorems, they already have some knowledge of what a theorem is. For example, they’ve come across the Pythagorean Theorem in earlier grades. Much of ...

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