The number of common points of the coordinate axes and the disc Whiteboard exercise Play

The number of lattice points on a disc Whiteboard exercise Play

The pieces of chocolate on two plates Whiteboard exercise Play

The points and graphs of the functions Whiteboard exercise Play

The points and the equations of the functions Whiteboard exercise Play

The points covered by cloud Animation Play

The points on a straight line Animation Play

The points on the circumference of a circle Whiteboard exercise Play

The points on the graph Whiteboard exercise Play

The points that lie on the graph Whiteboard exercise Play

The polygon made of two triangles Whiteboard exercise Play

The product of two fractions Animation Play

The product of two powers with the same bases Whiteboard exercise Play

The quotient of two functions Student activity Play

The ratio of two numbers Animation Play

The ratio of two quantities Student activity Play

The ratio of two quantities Whiteboard exercise Play

The ratio of two segments Whiteboard exercise Play

The ratio of two values Student activity Play

The ratio of two values Animation Play

The ratio of two values – more difficult problems Student activity Play

The ratios of more than two quantities Student activity Play

The relationship between the two diagrams Simulation Play

The relationship between two mutually exclusive events Animation Play

The same solution of two systems of linear equations Whiteboard exercise Play