The result of a random experiment Student activity Play

The result of addition and subtraction of rational numbers Animation Play

The result of division Animation Play

The rule for the sum of a convergent geometric series Student activity Play

The Sahara and the Gobi Desert Whiteboard exercise Play

The sequence and its terms Whiteboard exercise Play

The sequence and its terms Whiteboard exercise Play

The sequence and its terms Student activity Play

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

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

The sequence in a settled order Student activity Play

The sequence in a settled order Whiteboard exercise Play

The sequence, term after term Student activity Play

The sides of the triangles – trigonometric ratios for selected angles Whiteboard exercise Play

The similar terms Whiteboard exercise Play

The similar terms marked wrong Whiteboard exercise Play

The simpler way to write algebraic expressions Whiteboard exercise Play

The spectrum for a greater number of slits Whiteboard exercise Play

The square of a number Student activity Play

The square of a number Whiteboard exercise Play

The square root Student activity Play

The square root of a number Student activity Play

The square root of a number Whiteboard exercise Play

The square root of a number – simplification of the radical Whiteboard exercise Play

The square root of a number – simplification of the radical Student activity Play