Exploring and noticing

problem

Sending and receiving 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
Favourite

Jumping

Age

7 to 11

Challenge level

After training hard, these two children have improved their results. Can you work out the length or height of their first jumps?
problem

Sports equipment

Age

7 to 11

Challenge level

If these balls are put on a line with each ball touching the one in front and the one behind, which arrangement makes the shortest line of balls?
problem
Favourite

Fifteen cards

Age

7 to 11

Challenge level

Can you use the information to find out which cards I have used?
problem
Favourite

The Domesday Project

Age

7 to 11

Challenge level

Take a look at these data collected by children in 1986 as part of the Domesday Project. What do they tell you? What do you think about the way they are presented?
problem
Favourite

Birdwatch

Age

7 to 11

Challenge level

Have a look at this data from the RSPB 2011 Birdwatch. What can you say about the data?
problem

Eye view

Age

7 to 11

Challenge level

Why does the tower look a different size in each of these pictures?
problem
Favourite

Our sports

Age

7 to 11

Challenge level

This problem explores the range of events in a sports day and which ones are the most popular and attract the most entries.
problem
Favourite

Domino sets

Age

7 to 11

Challenge level

How do you know if your set of dominoes is complete?
problem

Fencing

Age

7 to 11

Challenge level

Arrange your fences to make the largest rectangular space you can. Try with four fences, then five, then six etc.