Construction of regular polygons Student activity Play

Construction of triangles Animation Play

Corresponding sides Whiteboard exercise Play

Corresponding sides and angles Student activity Play

Covering the area using rectangles Animation Play

Covering the square with figures Simulation Play

Cracked wall Whiteboard exercise Play

Creating symmetrical triangles Whiteboard exercise Play

Critical mass Simulation Play

Critical mass Whiteboard exercise Play

Critical mass Student activity Play

Crossing lines cut by two parallel lines Animation Play

Decreasing pressure Student activity Play

Defining inequalities in a coordinate system Simulation Play

Defining inequalities in a coordinate system Student activity Play

Defining inequality in a coordinate system Simulation Play

Definite integral of a linear function Animation Play

Definite integral of non-negative function Animation Play

Definition of enlargement Student activity Play

Definition of pressure Student activity Play

Definition of pressure Glossary Play

Definition of pressure Whiteboard exercise Play

Definition of the definite integral Animation Play

Demonstration of the formula for the area of a triangle Whiteboard exercise Play

Demonstration or proof? Animation Play