Visualising and representing

There are 544 NRICH Mathematical resources connected to Visualising and representing
ACE, TWO, THREE...
problem

ACE, TWO, THREE...

Age
11 to 14
Challenge level
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Can you picture how to order the cards to reproduce Charlie's card trick for yourself?
Dicey Directions
problem

Dicey Directions

Age
14 to 16
Challenge level
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An ordinary die is placed on a horizontal table with the '1' face facing East... In which direction is the '1' face facing after this sequence of moves?
Night Watchmen
problem

Night Watchmen

Age
11 to 14
Challenge level
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Grannie's watch gains 30 minutes every hour, whilst Grandpa's watch loses 30 minutes every hour. What is the correct time when their watches next agree?
Twelve Cubed
problem

Twelve Cubed

Age
14 to 16
Challenge level
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A wooden cube with edges of length 12cm is cut into cubes with edges of length 1cm. What is the total length of the all the edges of these centimetre cubes?
Cheese cutting
problem

Cheese cutting

Age
16 to 18
Challenge level
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In this problem we see how many pieces we can cut a cube of cheese into using a limited number of slices. How many pieces will you be able to make?
Clocking off
problem

Clocking off

Age
7 to 16
Challenge level
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I found these clocks in the Arts Centre at the University of Warwick intriguing - do they really need four clocks and what times would be ambiguous with only two or three of them?
There and back again
problem

There and back again

Age
11 to 14
Challenge level
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Bilbo goes on an adventure, before arriving back home. Using the information given about his journey, can you work out where Bilbo lives?
Shape Times Shape
problem

Shape Times Shape

Age
7 to 11
Challenge level
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These eleven shapes each stand for a different number. Can you use the number sentences to work out what they are?
Rectangle Rearrangement
problem

Rectangle Rearrangement

Age
14 to 16
Challenge level
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A 3x8 rectangle is cut into two pieces... then rearranged to form a right-angled triangle. What is the perimeter of the triangle formed?
Daniel's Star
problem

Daniel's Star

Age
11 to 14
Challenge level
filled star empty star empty star
A solid 'star' shape is created. How many faces does it have?