# Maths KS2: Understanding radius and diameter

At the Grecian Pizza Parlour, new employee, Ambrose, learns how to make pizzas.

The boss needs to teach Ambrose about radius and diameter as he puts the cheese strips onto the circular pizza for his first customer.

Three radius and diameter questions of increasing difficulty are posed at the end of the scenario to consolidate the learning.

This is from the series: Let's Do Maths

### Teacher Notes

While watching the clip, pause at the question "What is the connection between the radius and diameter?"