### Testing children gives a poor measure of ability | Letters

“Simon Jenkins (The cult of tests is ruining our schools, 15 June) doesn’t mention the most recent proposals from the Department for Education, to introduce “baseline tests” when children enter primary school reception classes. The stated purpose of these tests is to provide measures of “progress” between reception and year 6 when children take the…

### Did you solve it? Mirror, mirror on the wall

Earlier today I set you a puzzle about a mirror: A man is facing a mirror hanging on a wall 1m in front of him. In order for him to see himself entirely in the mirror, what is the minimum possible height of the mirror and where should it be mounted on the wall? He…

### Can you solve it? Mirror, mirror on the wall

Hi guzzlers Here’s a puzzle about something we do every day: gaze at ourselves in the mirror. Who says maths is not relevant to the real world? In fact, You may have often pondered this question without realising it when trying on clothes. A man is facing a mirror hanging on a wall 1m in…