The unknown on one side of the equation – more difficult problems Student activity Play

Theorems and their assumptions in algebra Student activity Play

Theorems and their assumptions in algebra Whiteboard exercise Play

Theorems and their assumptions in geometry Student activity Play

Tossing a coin Animation Play

Trapezium Whiteboard exercise Play

Trapezium Student activity Play

Trapeziums Simulation Play

Trapeziums Student activity Play

Triangle Animation Play

Triangle Student activity Play

Triangles Student activity Play

Triangles – part I Student activity Play

Triangles – part II Student activity Play

Triangles – part III Student activity Play

Triangles – reminder Animation Play

Trigonometric ratios – problems Student activity Play

Two sides of a parallelogram Simulation Play

Tying the box Whiteboard exercise Play

Types of attracting interaction s among side functional groups in proteins Chart Play

Types of triangles Animation Play

Unknown side of a triangle Animation Play

Using tangent theorems Student activity Play

Using tangent theorems Whiteboard exercise Play

Using the Pythagorean theorem in 3-dimensional space Student activity Play