Finding square roots – more difficult problems Student activity Play

Finding the least common denominator Animation Play

Finding the least common multiple Whiteboard exercise Play

Finding the least common multiple Student activity Play

Finding the least common multiple (lcm) Simulation Play

Formula for the number of squares Animation Play

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

Getting a six at least twice Whiteboard exercise Play

Least useful chemical reactions Student activity Play

More examples in factorising Student activity Play

Most and least successfully adapted species 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

Pink tiles Whiteboard exercise Play

Polynomials as a perfect squares Animation Play

Product of a sum and a difference Student activity Play

Quadrilaterals – squares and rectangles Student activity Play

Ratios of squares Animation Play

Rectangle built up of 60 equal squares Animation Play

Rectangles Student activity 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 Whiteboard presentation Play