Triangles

problem

Three Fingers and a Loop of String

Age

5 to 7

Challenge level

1 out of 3

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

Board Block

Age

5 to 7

Challenge level

1 out of 3

Take it in turns to make a triangle on the pegboard. Can you block your opponent?
problem

Logic Block Collections

Age

5 to 7

Challenge level

1 out of 3

What do you think is the same about these two Logic Blocks? What others do you think go with them in the set?
game

Board Block for Two

Age

5 to 7

Challenge level

1 out of 3

Board Block game for two. Can you stop your partner from being able to make a shape on the board?
problem

Six to Four

Age

5 to 7

Challenge level

2 out of 3

Move four sticks so there are exactly four triangles.
problem

Animated Triangles

Age

5 to 7

Challenge level

2 out of 3

Watch this "Notes on a Triangle" film. Can you recreate parts of the film using cut-out triangles?
problem

Triangle Edges

Age

5 to 7

Challenge level

3 out of 3

How many triangles can you make using sticks that are 3cm, 4cm and 5cm long?
problem

Triangle Shapes

Age

5 to 11

Challenge level

1 out of 3

This practical problem challenges you to create shapes and patterns with two different types of triangle. You could even try overlapping them.
problem

Cutting It Out

Age

5 to 11

Challenge level

1 out of 3

I cut this square into two different shapes. What can you say about the relationship between them?
problem

Folding Flowers 2

Age

7 to 11

Challenge level

1 out of 3

Make a flower design using the same shape made out of different sizes of paper.