Ways of Showing
If you're curious about why something works, it can really help to find different ways of showing (or representing) your thinking. For example, you might draw a picture or use some equipment. The problems below will give you chance to think carefully about different representations, whether they are created by you or by someone else.
Catrina's Cards Age 5 to 7
Challenge Level
Challenge Level
How would you find out how many football cards Catrina has collected?
Triangle or No Triangle? Age 5 to 7
Challenge Level
Challenge Level
Here is a selection of different shapes. Can you work out which ones are triangles, and why?
Birthday Sharing Age 5 to 7
Challenge Level
Challenge Level
It's Sahila's birthday and she is having a party. How could you answer these questions using a picture, with things, with numbers or symbols?
Name That Triangle! Age 7 to 11
Challenge Level
Challenge Level
Can you sketch triangles that fit in the cells in this grid? Which ones are impossible? How do you know?
The Remainders Game Age 7 to 14
Challenge Level
Challenge Level
Play this game and see if you can figure out the computer's chosen number.
Magic Crosses Age 7 to 14
Challenge Level
Challenge Level
Can you find examples of magic crosses? Can you find all the possibilities?
Remainders Age 7 to 14
Challenge Level
Challenge Level
I'm thinking of a number. My number is both a multiple of 5 and a multiple of 6. What could my number be?
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NRICH is part of the family of activities in the Millennium Mathematics Project.
NRICH is part of the family of activities in the Millennium Mathematics Project.