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number posts

Maya numbers Activity

by David, 7 March 2017 | 5 comments

An excerpt from the Dresden Codex.

The numbers that we use are not the only way to write numbers. You might know how to count with tally marks, or read Roman numerals. But there are plenty of other ways to write numbers. This one comes from the Maya people.

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Pyramid solitaire Game

by David, 16 January 2017 | 0 comments

MAny playing cards arranged in a triangle.

Many people know how to play solitaire or patience, but there are actually lots of different one-player card games. This version of patience has a bit of addition, and also some tricky strategic thinking.

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Counting by division Activity

by David, 5 December 2016 | 0 comments

An electric calculator

Let’s look at a few interesting patterns you can get by dividing. Some of these patterns need a lot of digits, so get the best calculator you can find.

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Count to a million Activity

by David, 16 September 2016 | 1 comments

Someone thinking, with a thought bubble counting up from 1.

How long would it take to count to one million? Well you could just start a stopwatch and get to counting, but here’s how to work out if you’ll be done by dinner time.

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Coins around the equator Activity

by David, 11 April 2016 | 0 comments

A jar with a slot in the top and a sign saying 'silver coins for maths'.

How much money would it take to put a line of coins around the equator? With a bit of research and a bit of maths, you’ll soon know the answer!

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Make a piece of shortbread Activity

by David, 13 January 2016 | 0 comments

A sieve with flour in it.

Feel like a biscuit? This recipe will make exactly one tasty piece of shortbread.

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Guess Who’s my number? Game

by David, 28 December 2015 | 0 comments

Someone is flipping down the number 16.

Turn an old copy of Guess Who into a game with a mathematical twist!

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Lolly half-life Activity

by David, 5 May 2015 | 0 comments

Someone is holding a lolly showing the letter 'm'.

What is a half-life? grab a handful of lollies and find out!

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Supermarket sweep Activity

by David, 24 February 2015 | 0 comments

A price tag saying $1.99.

Bored at the supermarket? This game will have your brain churning!

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A game of Sprouts Game

by David, 10 February 2015 | 1 comments

a large network of dots and lines.

Sprout some cute little plant networks in this mathematical drawing game.

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