You may also like

problem icon

Cubes

Investigate the number of faces you can see when you arrange three cubes in different ways.

problem icon

I'm Eight

Find a great variety of ways of asking questions which make 8.

problem icon

Five Coins

Ben has five coins in his pocket. How much money might he have?

Which Symbol?

Stage: 2 Challenge Level: Challenge Level:1

Put in the missing symbols to make these number sentences correct.

Use $+ , -, \times , \div$ and $ =$ .

For example:
Try these:




All these number sentences below, except two of them, have two solutions.
Can you find the symbols to use?


Which two number sentences have only one answer?
Can you see why this is so?

You might like to use this interactivity:

Full screen version:
If you can see this message Flash may not be working in your browser
Please see http://nrich.maths.org/techhelp/#flash to enable it.