Investigate how avalanches occur and how they can be controlled

Build a mini eco-system, and collect and interpret data on how well the plants grow under different conditions.

This activity is based on data in the book 'If the World Were a Village'. How will you represent your chosen data for maximum effect?

Class 5 were looking at the first letter of each of their names. They created different charts to show this information. Can you work out which member of the class was away on that day?

This article for teachers describes an activity which encourages meaningful data collection, display and interpretation.

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

Can you deduce which Olympic athletics events are represented by the graphs?

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

Which countries have the most naturally athletic populations?

This activity asks you to collect information about the birds you see in the garden. Are there patterns in the data or do the birds seem to visit randomly?

What can you say about the child who will be first on the playground tomorrow morning at breaktime in your school?

What statements can you make about the car that passes the school gates at 11am on Monday? How will you come up with statements and test your ideas?

Decide which charts and graphs represent the number of goals two football teams scored in fifteen matches.

Guess the Houses game for an adult and child. Can you work out which house your partner has chosen by asking good questions?

Simple models which help us to investigate how epidemics grow and die out.

A farmer has a flat field and two sons who will each inherit half of the field. The farmer wishes to build a stone wall to divide the field in two so each son inherits the same area. Stone walls are. . . .

This problem offers you two ways to test reactions - use them to investigate your ideas about speeds of reaction.

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?

Looking at the 2008 Olympic Medal table, can you see how the data is organised? Could the results be presented differently to give another nation the top place?

Can you make sense of the charts and diagrams that are created and used by sports competitors, trainers and statisticians?

Engage in a little mathematical detective work to see if you can spot the fakes.

Can you make sense of the charts and diagrams that are created and used by sports competitors, trainers and statisticians?

A manager of a forestry company has to decide which trees to plant. What strategy for planting and felling would you recommend to the manager in order to maximise the profit?

This article explores the process of making and testing hypotheses.

Three teams have each played two matches. The table gives the total number points and goals scored for and against each team. Fill in the table and find the scores in the three matches.

Square numbers can be represented on the seven-clock (representing these numbers modulo 7). This works like the days of the week.

Baker, Cooper, Jones and Smith are four people whose occupations are teacher, welder, mechanic and programmer, but not necessarily in that order. What is each person’s occupation?

Choose any three by three square of dates on a calendar page. Circle any number on the top row, put a line through the other numbers that are in the same row and column as your circled number. Repeat. . . .

These red, yellow and blue spinners were each spun 45 times in total. Can you work out which numbers are on each spinner?

After some matches were played, most of the information in the table containing the results of the games was accidentally deleted. What was the score in each match played?