Thirty children from each year group got the chance to test their maths brain power against some of the hardest maths challenge questions possible! We'll be finding out how they did in the coming weeks.
Here's a taste of the kind of question they were answering:
When I have walked 20% of the way to school, I have 1200 metres more to walk than when I have 20% of the walk remaining. How far is it in metres from my home to my school?