Take turns to place a decimal number on the spiral. Can you get three consecutive numbers?

A game for two people, or play online. Given a target number, say 23, and a range of numbers to choose from, say 1-4, players take it in turns to add to the running total to hit their target.

In this game for two players, the idea is to take it in turns to choose 1, 3, 5 or 7. The winner is the first to make the total 37.

Try this matching game which will help you recognise different ways of saying the same time interval.

A game in which players take it in turns to choose a number. Can you block your opponent?

In this game for two players, you throw two dice and find the product. How many shapes can you draw on the grid which have that area or perimeter?

Have a go at this game which involves throwing two dice and adding their totals. Where should you place your counters to be more likely to win?

This challenge is a game for two players. Choose two of the numbers to multiply or divide, then mark your answer on the number line. Can you get four in a row?

Players take it in turns to choose a dot on the grid. The winner is the first to have four dots that can be joined to form a square.

An activity based on the game 'Pelmanism'. Set your own level of challenge and beat your own previous best score.

Who said that adding, subtracting, multiplying and dividing couldn't be fun?

Choose the size of your pegboard and the shapes you can make. Can you work out the strategies needed to block your opponent?

Add or subtract the two numbers on the spinners and try to complete a row of three. Are there some numbers that are good to aim for?

We think this 3x3 version of the game is often harder than the 5x5 version. Do you agree? If so, why do you think that might be?