Geometry - Mathematics for Teaching
- Unpacking mathematics – a geometry example
- A Geometric Model for the Lunch Date Problem
- Pentagon to Quadrilateral Puzzle
- A problem solving lesson about triangles and circles
- If One World Trade Center is a prism and not an antiprism, would it be less in volume?
- Regular Polygons Problems
- The Pythagorean Theorem Puzzle
- A triangle is a fish
- Guest Post: Real World Uses of Geometry
- The house of quadrilaterals
- Angles are not that easy to see
- How to scaffold problem solving in geometry
- Teaching triangle congruence
- Twelve definitions of a square
- Constructing polygons with equal area
- Mistakes and Misconceptions in Mathematics
- Geometric relations – angles made by transversal
- Problem on proving perpendicular segments
- Geometry lesson: Collapsible chair model
- Math and Multimedia Carnival #7
- Teaching with GeoGebra: Squares and Square Roots
- Problem Solving Involving Quadrilaterals
- Math investigation lesson on polygons and algebraic expressions