Skip to main content
### Number and algebra

### Geometry and measure

### Probability and statistics

### Working mathematically

### For younger learners

### Advanced mathematics

# Board Block

## You may also like

### Let's Investigate Triangles

### Three Fingers and a Loop of String

Or search by topic

Age 5 to 7

Challenge Level

You can play this game for two players on the interactive pegboard, or on a real circular pegboard if you have one. Or you could print off sheets of circles from this page.

**How to play:**

Firstly, choose the number of pegs on your board. Six might be a good choice to start with and you could print off this sheet of pegboards with six pegs if you are not using the interactivity.

Take it in turns to add a band to the board.

Bands must fit round three pegs, in other words, each must make a triangle.

A band can share a peg with other bands, but the triangles must not overlap (except along the edges and pegs).

A player loses when they cannot make a triangle on their turn.

**Try playing, several times.**

**Did you find any good ways to win, in other words, any winning strategies?** We would love to hear about them.

Once you've mastered this game, why not play to lose?

You might like to extend the game - have a look at this for a more challenging version.

Vincent and Tara are making triangles with the class construction set. They have a pile of strips of different lengths. How many different triangles can they make?

Using a loop of string stretched around three of your fingers, what different triangles can you make? Draw them and sort them into groups.