Working Systematically
Having a pattern or order to the way you work will really help when you're tackling these problems. That's what we call 'working systematically' and it's a very useful skill.
Sort the Street Stage: 1 Challenge Level: 
Sort the houses in my street into different groups. Can you do it in any other ways?
Two Dice Stage: 1 Challenge Level:
Find all the numbers that can be made by adding the dots on two dice.
Three Ball Line Up Stage: 1 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.
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NRICH is part of the family of activities in the Millennium Mathematics Project.
NRICH is part of the family of activities in the Millennium Mathematics Project.