### Pizza Portions

My friends and I love pizza. Can you help us share these pizzas equally?

### Doughnut

How can you cut a doughnut into 8 equal pieces with only three cuts of a knife?

### Pies

Grandma found her pie balanced on the scale with two weights and a quarter of a pie. So how heavy was each pie?

# Red Balloons, Blue Balloons

### Why do this problem?

This problem would be a good one when doing calculations with fractions. It also requires logical thinking and organising of results. Different strategies and approaches can be taken: knowledge of addition, or multiples, or an understanding of fractions can be used to arrive at a solution.

### Key questions

What do you think is a good way to start?
How big was Katie's balloon after the second (third, fourth etc.) puff?
How big was Will's balloon after the second (third, fourth etc.) puff?

### Possible extension

Learners could make up a similar problem of their own for a friend to try.

### Possible support

Breaking the problem down step by step will help learners reach a solution. It might be useful to have each subsequent piece of information written on a separate card so that they can be given to children when ready, rather than presenting all the information at once.