Triangle tricks Animation Play

Triangles symmetrical with respect to a line Whiteboard exercise Play

Two circles and a line Student activity Play

Two circles and a line Whiteboard exercise Play

Two containers Whiteboard exercise Play

Two copies of one map Student activity Play

Two inequalities in a coordinate system Animation Play

Two more quadrilaterals Student activity Play

Two perpendicular symmetry lines Animation Play

Unit vectors in a vector equation of a line Animation Play

Using a ruler and a compass Animation Play

Using ITC for comparing data Class activity Play

Using ITC for comparing data Whiteboard presentation Play

Using ITC for data presentation Whiteboard presentation Play

Using ITC for data presentation Class activity Play

Using ITC in calculations Class activity Play

Using ITC in calculations Whiteboard presentation Play

Using measuring instruments to approximate constructions Student activity Play

Using ruler and protractor to approximate constructions Simulation Play

Using ruler and set-square to approximate constructions Simulation Play

Using tangent theorems Student activity Play

Using the basic constructions Student activity Play

Using the formula for linear regression Whiteboard exercise Play

Using the gradient of a line Whiteboard exercise Play

Using the gradient of a line Student activity Play