Exploring and noticing

There are 412 NRICH Mathematical resources connected to Exploring and noticing
Olympic Turns
problem
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Olympic turns

Age
7 to 11
Challenge level
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This task looks at the different turns involved in different Olympic sports as a way of exploring the mathematics of turns and angles.

Factorising with Multilink
problem
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Factorising with multilink

Age
14 to 16
Challenge level
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Can you find out what is special about the dimensions of rectangles you can make with squares, sticks and units?
Magic Letters
problem
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Magic letters

Age
11 to 14
Challenge level
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Charlie has made a Magic V. Can you use his example to make some more? And how about Magic Ls, Ns and Ws?
Our Sports
problem
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Our sports

Age
7 to 11
Challenge level
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This problem explores the range of events in a sports day and which ones are the most popular and attract the most entries.

Method in multiplying madness?
problem
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Method in multiplying madness?

Age
7 to 14
Challenge level
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Watch our videos of multiplication methods that you may not have met before. Can you make sense of them?
How Tall?
problem
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How tall?

Age
5 to 11
Challenge level
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A group of children are discussing the height of a tall tree. How would you go about finding out its height?

Sticky Data
problem
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Sticky data

Age
5 to 7
Challenge level
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You'll need to work in a group on this problem. Use your sticky notes to show the answer to questions such as 'how many girls are there in your group?'.
Birdwatch
problem
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Birdwatch

Age
7 to 11
Challenge level
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Have a look at this data from the RSPB 2011 Birdwatch. What can you say about the data?

The Domesday Project
problem
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The domesday project

Age
7 to 11
Challenge level
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Take a look at these data collected by children in 1986 as part of the Domesday Project. What do they tell you? What do you think about the way they are presented?

If the World Were a Village
problem
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If the world were a village

Age
5 to 11
Challenge level
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This activity is based on data in the book 'If the World Were a Village'. How will you represent your chosen data for maximum effect?