Use the interactivity to help get a feel for this problem and to find out all the possible ways the balls could land.
What can you say about the child who will be first on the playground tomorrow morning at breaktime in your school?
Have a look at this table of how children travel to school. How does it compare with children in your class?
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?
This problem offers you two ways to test reactions - use them to investigate your ideas about speeds of reaction.
How well can you estimate 10 seconds? Investigate with our timing tool.
