Rotations

There are 61 NRICH Mathematical resources connected to Rotations
Combining Transformations
problem

Combining Transformations

Age
11 to 14
Challenge level
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Does changing the order of transformations always/sometimes/never produce the same transformation?
Decoding Transformations
problem

Decoding Transformations

Age
11 to 14
Challenge level
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See the effects of some combined transformations on a shape. Can you describe what the individual transformations do?
Coordinate Challenge
problem

Coordinate Challenge

Age
7 to 11
Challenge level
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Use the clues about the symmetrical properties of these letters to place them on the grid.
Rotations Are Not Single Round Here
problem

Rotations Are Not Single Round Here

Age
14 to 16
Challenge level
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I noticed this about streamers that have rotation symmetry : if there was one centre of rotation there always seems to be a second centre that also worked. Can you find a design that has only one centre of rotation ? Or if you thought that was impossible, could you say why ?
A Roll Of Patterned Paper
problem

A Roll Of Patterned Paper

Age
14 to 16
Challenge level
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A design is repeated endlessly along a line - rather like a stream of paper coming off a roll. Make a strip that matches itself after rotation, or after reflection
Footprints
problem

Footprints

Age
16 to 18
Challenge level
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Make a footprint pattern using only reflections.
Symmetric Trace
problem

Symmetric Trace

Age
14 to 16
Challenge level
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Points off a rolling wheel make traces. What makes those traces have symmetry?
Patchwork Quilt
problem

Patchwork Quilt

Age
7 to 14
Challenge level
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Squares of the type shown are sewn together to make a quilt. How many different quilts can be made?
Turning N Over
problem

Turning N Over

Age
11 to 14
Challenge level
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A card with the letter N on it is rotated through two different axes. What does the card look like at the end?
Rollin' Rollin' Rollin'
problem

Rollin' Rollin' Rollin'

Age
11 to 14
Challenge level
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Two circles of equal radius touch at P. One circle is fixed whilst the other moves, rolling without slipping, all the way round. How many times does the moving coin revolve before returning to P?