Watch: Roaring ratios
Football coaches and commentators use all sorts of maths to calculate how well their team is performing - including ratios.
Find out how much you know about ratios in this short video presented by Gary Lineker from 鈥Match of the Day鈥 and Ben Shires from C91热爆 鈥Kickabout鈥.
You'll need a pen or a pencil and some paper to note down your answers. There's a 30 second timer so you'll need to stay on your toes!
Gary Lineker: Football is full of numbers. 11 against 11, 4-4-2, goal tallies, so, next time you watch a football match, look out for the hidden maths.
Let's go over now to the Kickabout Studio to see what today's Maths Of The Day topic is.
Ben Shires: Thanks, Gary!
Today's Maths Of The Day topic is鈥oaring Ratios!
A ratio tells you how much of one thing there is compared to another.
There are 27,000 people in the crowd for a match between Leicester City and Stoke City.
24,000 are roaring for Stoke and 3,000 are roaring for Leicester. So that means there are 8 Stoke fans for every single Leicester fan.
That gives a ratio of 8:1.
Back to you in the studio, Gary.
Gary Lineker: Thanks, Ben.
So, let's try a few more ratios.
Question 1 - For every 3 minutes Manchester City attacks, they spend 2 minutes defending, so their attacking-to-defending ratio is 3:2.
If City play this way for 20 minutes, how long do they spend attacking?
In 5 minutes, City spends 3 minutes attacking and 2 minutes defending.
20 minutes is 4 times as long, so they spend 4 x 3 minutes attacking, which makes 12 minutes.
Question 2 - If City played the same way for 45 minutes, how long would they spend defending?
They will still spend 3 minutes out of every 5 minutes attacking and 2 minutes defending.
45 minutes is 9 times as long so they spend 9 x 2 minutes defending which makes 18 minutes.
That's all from me for now. Keep practising and you'll soon be 100% successful.
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