Challenge Level

These activities focus on finding all possible solutions so if you work in a systematic way, you won't leave any out.

Challenge Level

These activities lend themselves to systematic working in the sense that it helps if you have an ordered approach.

Challenge Level

If you have ten counters numbered 1 to 10, how many can you put into pairs that add to 10? Which ones do you have to leave out? Why?

Challenge Level

Sort the houses in my street into different groups. Can you do it in any other ways?

Challenge Level

How many different triangles can you draw on the dotty grid which each have one dot in the middle?

Challenge Level

Use these head, body and leg pieces to make Robot Monsters which are different heights.

Challenge Level

Find all the numbers that can be made by adding the dots on two dice.

Challenge Level

My coat has three buttons. How many ways can you find to do up all the buttons?

Challenge Level

How many trains can you make which are the same length as Matt's and Katie's, using rods that are identical?

Challenge Level

How many different ways can you find to join three equilateral triangles together? Can you convince us that you have found them all?

Challenge Level

In Sam and Jill's garden there are two sorts of ladybirds with 7 spots or 4 spots. What numbers of total spots can you make?

Challenge Level

There are three baskets, a brown one, a red one and a pink one, holding a total of 10 eggs. How many eggs are in each basket?

Challenge Level

Take three differently coloured blocks - maybe red, yellow and blue. Make a tower using one of each colour. How many different towers can you make?

Challenge Level

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

Challenge Level

Use the interactivity to help get a feel for this problem and to find out all the possible ways the balls could land.

Challenge Level

If you put three beads onto a tens/ones abacus you could make the numbers 3, 30, 12 or 21. What numbers can be made with six beads?

Challenge Level

In this town, houses are built with one room for each person. There are some families of seven people living in the town. In how many different ways can they build their houses?

Challenge Level

As you come down the ladders of the Tall Tower you collect useful spells. Which way should you go to collect the most spells?

Challenge Level

Sweets are given out to party-goers in a particular way. Investigate the total number of sweets received by people sitting in different positions.

Challenge Level

How could you put these three beads into bags? How many different ways can you do it? How could you record what you've done?

Challenge Level

Ben and his mum are planting garlic. Can you find out how many cloves of garlic they might have had?

Challenge Level

There are nine teddies in Teddy Town - three red, three blue and three yellow. There are also nine houses, three of each colour. Can you put them on the map of Teddy Town according to the rules?