Exploring and noticing

There are 412 NRICH Mathematical resources connected to Exploring and noticing
Bottles (1)
problem
Favourite

Bottles (1)

Age
5 to 7
Challenge level
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For this activity which explores capacity, you will need to collect some bottles and jars.

Through the Window
problem
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Through the window

Age
7 to 11
Challenge level
filled star filled star empty star

My local DIY shop calculates the price of its windows according to the area of glass and the length of frame used. Can you work out how they arrived at these prices?

Domino Patterns
problem
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Domino patterns

Age
5 to 7
Challenge level
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What patterns can you make with a set of dominoes?

Domino sets
problem
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Domino sets

Age
7 to 11
Challenge level
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How do you know if your set of dominoes is complete?

Up, down, flying around
game
Favourite

Up, down, flying around

Play this game to learn about adding and subtracting positive and negative numbers

Strange Bank Account
problem
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Strange bank account

Age
11 to 14
Challenge level
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Imagine a very strange bank account where you are only allowed to do two things...

ReflectoR ! RotcelfeR
problem
Favourite

Reflector ! rotcelfer

Age
7 to 11
Challenge level
filled star filled star filled star

Can you place the blocks so that you see the reflection in the picture?

Fence it
problem
Favourite

Fence it

Age
11 to 14
Challenge level
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If you have only 40 metres of fencing available, what is the maximum area of land you can fence off?
Beelines
problem
Favourite

Beelines

Age
14 to 16
Challenge level
filled star empty star empty star
Is there a relationship between the coordinates of the endpoints of a line and the number of grid squares it crosses?
Now and Then
problem
Favourite

Now and then

Age
7 to 11
Challenge level
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Have a look at the results for some events at past Olympic Games. Can you use these to predict the results at the next Olympics?