Multiplying both sides of the equation Student activity Play

Multiplying both sides of the equation Whiteboard exercise Play

Parallelograms, rhombuses and trapeziums – properties of angles Student activity Play

Points and sides of a line Animation Play

Properties of reflection Student activity Play

Properties of rotation Student activity Play

Ratios of sides in a triangle Animation Play

Sides of a line Whiteboard exercise Play

Sides of a line Student activity Play

Sides of the trapezium Animation Play

Sides of the triangles Animation Play

Simplification of equations Class activity Play

Simplification of equations Whiteboard presentation Play

Solving the equation with the unknown on both sides of the equation Whiteboard exercise Play

State at room temperature Student activity Play

Sum of two adjacent angles of a parallelogram Animation Play

Supplementary, vertical, corresponding and alternate angles Student activity Play

Supplementary, vertical, corresponding and alternate angles Whiteboard exercise Play

The angle between two sides in a triangle Animation Play

The Angle–Side–Angle property – observations and generalisation Student activity Play

The sides of isosceles triangles Student activity Play

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

The two sides and an angle between them Whiteboard exercise Play

The unknown on both sides of the equation Student activity Play

The unknown on both sides of the equation Whiteboard exercise Play