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The Problem-solving Classroom: Encouraging a Productive Disposition
Inside Triangles
Age 5 to 7
Challenge Level 
How many different triangles can you draw on the dotty grid which each have one dot in the middle?
Thirsty?
Age 5 to 7
Challenge Level
Can you lay out the pictures of the drinks in the way described by the clue cards?
Wallpaper
Age 5 to 7
Challenge Level
These pieces of wallpaper need to be ordered from smallest to largest. Can you find a way to do it?
If the World Were a Village
Age 5 to 11
Challenge Level
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?
Stringy Quads
Age 7 to 11
Challenge Level
This practical problem challenges you to make quadrilaterals with a loop of string. You'll need some friends to help!
The Remainders Game
Age 7 to 14
Challenge Level
Play this game and see if you can figure out the computer's chosen number.
Factors and Multiples Game
Age 7 to 16
Challenge Level
A game in which players take it in turns to choose a number. Can you block your opponent?