Topics: Starter  Arithmetic  Number
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Tip For Teacher
Most people don't know all of the wonderful things our calculators can do. There are just so many buttons and functions.
Do you have this strange FACT function on your calculator? Do you know what it does?
Type a number (48 is a good example) into the calculator then press the equals button.
Next press shift then this button with FACT written over it.
You should now see 2^{4} × 3 in the calculator display.
The function performed the prime factorisation of 48.
Very useful.
So this button can be used to find out if a number is a prime number as the prime factorisation function will return the original number.
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Have you read Craig's book yet?Craig Barton must surely be the voice of Mathematics teachers in the UK. His wonderful podcasts interviewing the industry experts have culminated in this wonderful book. As Craig says: "I genuinely believe I have never taught mathematics better, and my students have never learned more. I just wish I had known all of this twelve years ago..." more... "How I wish I’d taught maths' is an extraordinary and important book. Part guide to research, part memoir, part survival handbook, it’s a wonderfully accessible guide to the latest research on teaching mathematics, presented in a disarmingly honest and readable way. I know of no other book that presents as much usable research evidence on the dos and don’ts of mathematics teaching in such a clear and practical way. No matter how long you have been doing it, if you teach mathematics—from primary school to university—this book is for you." Dylan Wiliam, Emeritus Professor of Educational Assessment, UCL. 
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Teacher, do your students have
access to computers? 

Here a concise URL for a version of this page without the comments.
Transum.org/go/?Start=August22
Here's the URL which will take them to an activity called Pentransum.