The common points of the disc and the axes Animation Play

The common points of the disc and the coordinate axes Student activity Play

The content of a problem as an algebraic expression Student activity Play

The content of a problem as an algebraic expression Animation Play

The coordinates of the vertex of a parabola Animation Play

The difference of squares – common factor first Whiteboard exercise Play

The difference of squares – common factor first! Student activity Play

The exterior angles of a polygon Student activity Play

The exterior angles of an n-sided polygon Whiteboard exercise Play

The fence problem Student activity Play

The figures under enlargements Whiteboard exercise Play

The focal point of a concave mirror Student activity Play

The focal point of a concave mirror Simulation Play

The functions  y = x 2  and  y = –x 2 Student activity Play

The functions  y = ax 2 Student activity Play

The game of Change Places Animation Play

The hidden patterns Animation Play

The highest common factor Animation Play

The highest common factor Student activity Play

The highest common factor Whiteboard exercise Play

The highest common factor Student activity Play

The highest common factor (hcf) Student activity Play

The highest common factor of numbers 33 and 44 Animation Play

The interior angles of a polygon Student activity Play

The least common denominator Student activity Play