Category Archives: Numeracy

Three Reasons to Love 121

By A Maths Teacher | Published: 16/06/2013

121 – One Hundred and Twenty One Here’s three reasons to love this number: Its a palindromic number – the same backwards as it is forwards It’s a square number – 121 = 11 x 11 = 112 It always reminds me of the mobile company 0ne2one which morphed into T-Mobile. one2one ran a great […]

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31513

By A Maths Teacher | Published: 31/05/2013
31 5 13 A Prime Day and a Palindromic Date

What a special day! The 31st May 2013, or, as we write in Europe, 31 5 13. And this is what makes it so special: Its a Palindromic Date 31 5 13 – the same forwards as it is backwards Its a Prime Day 31 5 13 – all the numbers in its date are […]

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A Prime Day

By A Maths Teacher | Published: 02/05/2013
2/5/13 A Prime Day

It’s a Prime Day today! Today’s date 2/5/13 is made up of prime numbers. And tomorrow (3/5/13) is a prime day too. In fact, there’s rather a lot of prime days this month – over 1⁄3 (that’s 33.33% if you prefer working in percentages) of the days this month will be prime days. Was yesterday […]

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Add it up!

By A Maths Teacher | Published: 15/04/2013
Add it up!

I’m feeling rather chuffed with myself! I’ve created a little game/teaching resource called “Add it up!” that I’d like to share with you. Its pretty simple – a series of numbers flash up on the screen (a second for each number) and all you have to do is add them up in your head. Once […]

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243 – My new favourite number

By A Maths Teacher | Published: 07/04/2013

I’ve got a new favourite number – 243. Why is it my favourite? It’s not because it’s 3 to the power of 5, although that does make it special. To find out why 243 is my new favourite number, divide 1 by 243:  1 ÷ 243 OK, to save you doing the maths, the answer […]

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