Advanced problems Student activity Play

Diagonals and sides of polygons Whiteboard exercise Play

Diagonals of polygons Student activity Play

Diagonals of polygons Whiteboard exercise Play

Diagonals of the trapezium Student activity Play

Diagonals of the trapezium Whiteboard exercise Play

Number of diagonals of an  n-gon Whiteboard exercise Play

Parallelograms, rectangles, rhombuses and squares – properties of diagonals Student activity Play

Parallelograms, rectangles, rhombuses and squares – properties of diagonals Whiteboard exercise Play

Properties of diagonals in a parallelogram Animation Play

Properties of diagonals in a rectangle Animation Play

Properties of diagonals in a rhombus Animation Play

Properties of diagonals in a square Animation 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 space diagonals of a cube Student activity Play

The space diagonals of a cube Whiteboard exercise Play