An interesting result Student activity Play

Angles of a quadrilateral Student activity Play

Angles of a quadrilateral – proof Animation Play

Application of Harry's formula Whiteboard exercise Play

Application of the Pythagorean theorem in 3-D Whiteboard presentation Play

Application of the Pythagorean theorem in 3-D Class activity Play

Applying proportion Student activity Play

Applying the distance formula in 3-dimensional space Animation Play

Applying the quadratic formula Whiteboard exercise Play

Approximating irrational numbers Student activity Play

Approximating square root of three Whiteboard exercise Play

Approximating square root of two Whiteboard exercise Play

Approximating surds Student activity Play

Approximations of irrational numbers Student activity Play

Area of a square Student activity Play

Area of a square Whiteboard exercise Play

Area of rectangles Whiteboard presentation Play

Area of rectangles Class activity Play

Areas of geometric figures Student activity Play

Areas of shapes Student activity Play

Basic shapes – a reminder Student activity Play

Binomial difference Animation Play

Bromine fluoride molecule Animation Play

Building a quadrilateral Simulation Play

Building a square from two squares Animation Play