Author Archives: A Maths Teacher

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“Ping” Just before I was due to teach Period 1 this morning my computer chimed, announcing the arrival of (yet another) email. Thinking that I might be able to action and delete it before the lesson began, I clicked to open it. I’m glad I did, its the best email I’ve received all week: Good […]

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Mistakes

  Regrets, I’ve had a few, but then again, too few to mention. Mistakes, however, I’ve made (and continue to make) many of them. I made one this morning. I was working through a difficult “ladders” question with an A level Mechanics class, a problem that I had set as a homework and most couldn’t […]

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Lucky, or unlucky?

Here’s the tree at the junction of South Ealing Road and Little Ealing Lane getting blown over this afternoon. Amazing car cam footage by Joanna Wolman. (Some understandable swearing!) pic.twitter.com/zlFcDFuXWX — Jon Ball (@JonBall) July 5, 2020 Whenever I see a clip like this my first reaction – like those in the car (and sorry […]

Posted in Probability | 1 Response

Covid 19 stats, part 4

Some good news. For the first time since mid-March, excess deaths are below the five year average. Regular readers will know that I have been tracking “excess deaths” (based on data provided by Office for National Statistics ) as it strips out any debate as to whether a death was due to Covid 19 or not. […]

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Covid 19 stats, part 3

I continue to crunch the numbers, and explore different ways to display the data. In the graphs above, I have taken the total number of weekly deaths in England and Wales (as reported by Office for National Statistics) and subtracted from that the average number of deaths for that week. Before the outbreak of Covid […]

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