Synopsis
This programme demonstrates that the difference between two numbers is the same whether you count on or count back.
Further Information
Similar broadcast resources
Ratio and Fractions | Who Needs Maths?
Sanjeev Kohli is having a party. The recipe is for four people and he needs to scale this up for twenty. A professional cook, Emili Fusaro, helps him to calculate and mix the ingredients.
Area | Who Needs Maths?
To decorate his friend's bathroom, Sanjeev Kohli enlists the help of a professional tiler, Steven Lang. They work out how many tiles they need before carrying out the job.