Working systematically

problem

A Bag of Marbles

Age

5 to 7

Challenge level

2 out of 3

Use the information to describe these marbles. What colours must be on marbles that sparkle when rolling but are dark inside?
problem

One of Thirty-Six

Age

5 to 7

Challenge level

2 out of 3

Can you find the chosen number from the grid using the clues?
problem

The Games' Medals

Age

5 to 7

Challenge level

2 out of 3

Can you see who the gold medal winner is? What about the silver medal winner and the bronze medal winner?
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

Here to There 1 2 3

Age

5 to 7

Challenge level

3 out of 3

Move from the START to the FINISH by moving across or down to the next square. Can you find a route to make these totals?
problem

Four-Triangle Arrangements

Age

5 to 7

Challenge level

3 out of 3

How many different shapes can you make by putting four right- angled isosceles triangles together?
problem

Stairs

Age

5 to 11

Challenge level

1 out of 3

This challenge is to design different step arrangements, which must go along a distance of 6 on the steps and must end up at 6 high.
problem

Whose Face?

Age

5 to 11

Challenge level

1 out of 3

These are the faces of Will, Lil, Bill, Phil and Jill. Use the clues to work out which name goes with each face.
problem

Today's Date - 01/06/2009

Age

5 to 11

Challenge level

1 out of 3

What do you notice about the date 03.06.09? Or 08.01.09? This challenge invites you to investigate some interesting dates yourself.
problem

HexPentas

Age

5 to 11

Challenge level

1 out of 3

How many different ways can you find of fitting five hexagons together? How will you know you have found all the ways?