Combinations

problem
Teddy Town - part three

Age

5 to 11

Challenge level

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

Age

5 to 11

Challenge level

There are twenty five teddies in Teddy Town - five red, five blue, five yellow, five green and five purple. There are also twenty five houses, five of each colour. Can you put them on the map of Teddy Town according to the rules?
problem
Teddy Town - part five

Age

5 to 11

Challenge level

There are thirty six teddies in Teddy Town - six red, six blue, six yellow, six green, six purple and six turquoise. There are also thirty six houses, six of each colour. Can you put them on the map of Teddy Town according to the rules?
interactivity
Favourite

Cuisenaire environment

Age

5 to 16

Challenge level

An environment which simulates working with Cuisenaire rods.
problem
Plants

Age

5 to 14

Challenge level

Three children are going to buy some plants for their birthdays. They will plant them within circular paths. How could they do this?
problem
Multilink cubes

Age

7 to 11

Challenge level

If you had 36 cubes, what different cuboids could you make?
problem
3 rings

Age

7 to 11

Challenge level

If you have three circular objects, you could arrange them so that they are separate, touching, overlapping or inside each other. Can you investigate all the different possibilities?
problem
Street party

Age

7 to 11

Challenge level

The challenge here is to find as many routes as you can for a fence to go so that this town is divided up into two halves, each with 8 blocks.
problem
Sending cards

Age

7 to 11

Challenge level

This challenge asks you to investigate the total number of cards that would be sent if four children send one to all three others. How many would be sent if there were five children? Six?
problem
New house

Age

7 to 11

Challenge level

In this investigation, you must try to make houses using cubes. If the base must not spill over 4 squares and you have 7 cubes which stand for 7 rooms, what different designs can you come up with?