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Look at this grid, which is also called a Carroll diagram.
A Carroll diagram can help us sort information into groups.
In this diagram, we can sort numbers depending on whether they are odd or even, and whether these odd and even numbers are multiples of 5 or 11.
The number 33 would go in section A because it is an odd multiple of 11
The number 20 would go in section D because it is an even multiple of 5.
What numbers might we put in sections B and C?
In B, we could have any odd number that is also a multiple of 5. eg. 15, 25, 35, 95 etc.
In C, we could have any even number that is a multiple of 11. eg. 22, 44, 66, 88 etc.
Does that look easy?
Let's have a go at some questions now to practise this skill!
