Expanding the squares of the sums Whiteboard exercise Play

Exterior angle of a triangle – exercises Student activity Play

Exterior angle of a triangle – observation and proof Student activity Play

Exterior angle of a triangle – proof Animation Play

Factorisation Animation Play

Facts and assumptions Student activity Play

Facts and assumptions – the sum of the numbers Whiteboard exercise Play

Famous sequences – part 1 Student activity Play

Fibonacci sequence Animation Play

Finding angles Whiteboard exercise Play

Finding the numbers in the given ratio Whiteboard exercise Play

Finding the numbers in the given ratio Student activity Play

Finding the probability of the sum of two events Student activity Play

Finding the probability of the sum of two events Whiteboard exercise Play

Finding the sum of the geometric series Whiteboard exercise Play

Finding the sum of the interior angles Whiteboard exercise Play

Finding values of the sum Whiteboard exercise Play

Finding values of the sum Whiteboard exercise Play

Finding values of the sum Student activity Play

Five billiard balls collisions Whiteboard exercise Play

Formula based calculations Whiteboard presentation Play

Formula based calculations Class activity Play

Formula for the sum of an infinite geometric series Animation Play

Fractions and decimals in sums Animation Play

Generation of rabbits Whiteboard exercise Play