The result of the tests Animation Play

The results of a short test Animation Play

The Sahara and the Gobi Desert Whiteboard exercise Play

The sequence depending on the term's number Student activity Play

The sequence depending on the term's number Whiteboard exercise Play

The sequence in a settled order Whiteboard exercise Play

The sequence in a settled order Student activity Play

The sum and the difference of irrational numbers Whiteboard exercise Play

The weight of Lena's purchases Animation Play

The winning times Animation Play

Triangular and square numbers Whiteboard presentation Play

Triangular and square numbers Class activity Play

Triangular and square numbers Animation Play

Triangular and square numbers Student activity Play

Triangular numbers Animation Play

Triangular numbers Student activity Play

Triangular numbers Whiteboard exercise Play

Triangular numbers Student activity Play

Two joint stock companies Whiteboard exercise Play

Two segments Whiteboard exercise Play

Using ITC for comparing data Class activity Play

Using ITC for comparing data Whiteboard presentation Play

Variability of data sets Student activity Play

Variables and numbers of equations Slideshow Play

Vectors Whiteboard presentation Play