Factorising by using the difference of squares Whiteboard exercise Play

Finding perfect squares in quadratic equations Student activity Play

Finding perfect squares in quadratic equations Whiteboard exercise Play

Finding square roots – more difficult problems Student activity Play

Formula for the number of squares Animation Play

Formula for the number of squares – a polygon Whiteboard exercise Play

Larval stages in invertebrate development Slideshow Play

More examples in factorising Student activity Play

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

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

Pink tiles Whiteboard exercise Play

Polynomials as a perfect squares Animation Play

Product of a sum and a difference Student activity Play

Proteins – types and sources Student activity Play

Proteins – types and sources Whiteboard exercise Play

Quadrilaterals – squares and rectangles Student activity Play

Ratios of squares Animation Play

Rectangle built up of 60 equal squares Animation Play

Regression line Class activity Play

Regression line Whiteboard presentation Play

Rhombuses and squares Student activity Play

Simplifying the squares of the sums Whiteboard exercise Play

Solving quadratic equations Class activity Play

Solving quadratic equations Whiteboard presentation Play

Sources of proteins Slideshow Play