Angles - points, lines and parallel lines

problem
Favourite

Turning

Age

5 to 7

Challenge level

Use your mouse to move the red and green parts of this disc. Can you make images which show the turnings described?
problem

Right Angle Challenge

Age

5 to 7

Challenge level

How many right angles can you make using two sticks?
problem

Take the Right Angle

Age

7 to 11

Challenge level

How many times in twelve hours do the hands of a clock form a right angle? Use the interactivity to check your answers.
problem

Sweeping Hands

Age

7 to 11

Challenge level

Use your knowledge of angles to work out how many degrees the hour and minute hands of a clock travel through in different amounts of time.
problem

Overlapping Squares

Age

7 to 11

Challenge level

Have a good look at these images. Can you describe what is happening? There are plenty more images like this on NRICH's Exploring Squares CD.
problem
Favourite

How Safe Are You?

Age

7 to 11

Challenge level

How much do you have to turn these dials by in order to unlock the safes?
problem
Favourite

Six Places to Visit

Age

7 to 11

Challenge level

Can you describe the journey to each of the six places on these maps? How would you turn at each junction?
problem

The Numbers Give the Design

Age

7 to 11

Challenge level

Make new patterns from simple turning instructions. You can have a go using pencil and paper or with a floor robot.
problem
Favourite

National Flags

Age

7 to 11

Challenge level

This problem explores the shapes and symmetries in some national flags.
problem

Dotty Relationship

Age

7 to 11

Challenge level

Can you draw perpendicular lines without using a protractor? Investigate how this is possible.