The chewing gum Whiteboard exercise Play

The data collected by Lena Animation Play

The height of the tulip Whiteboard exercise Play

The high the antenna on the mountain top Whiteboard exercise Play

The LOGO commands to obtain the given triangle Whiteboard exercise Play

The medieval octagon Animation Play

The origin and 'something' Student activity Play

The race Game Play

The result of a random experiment Whiteboard exercise Play

The result of a random experiment Student activity Play

The result of the tests Animation Play

The time needed to reach the mountain top Whiteboard exercise Play

The winning times Animation Play

Time series Student activity Play

Time series Whiteboard exercise Play

Triangle and its area Simulation Play

Triangle and its area Simulation Play

Triangle and its area Simulation Play

Triangle and its area – activity Student activity Play

Triangles in LOGO Student activity Play

Triangles symmetrical with respect to a line Whiteboard exercise Play

Triangles – part II Student activity Play

Two points Whiteboard exercise Play

Two points Student activity Play

Using tree diagrams Student activity Play