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# The Problem-solving Classroom: Key Problem-solving Skills

### How Would We Count?

### Zios and Zepts

### Snake Coils

### Play to 37

### Got It

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This group of tasks, part of our feature The Problem-solving Classroom, exemplifies key problem-solving skills. For more information about developing children's problem-solving skills, see this article.

Age 5 to 11

Challenge Level

An activity centred around observations of dots and how we visualise number arrangement patterns.

Age 7 to 11

Challenge Level

On the planet Vuv there are two sorts of creatures. The Zios have 3 legs and the Zepts have 7 legs. The great planetary explorer Nico counted 52 legs. How many Zios and how many Zepts were there?

Age 7 to 11

Challenge Level

This challenge asks you to imagine a snake coiling on itself.

Age 7 to 11

Challenge Level

In this game for two players, the idea is to take it in turns to choose 1, 3, 5 or 7. The winner is the first to make the total 37.

Age 7 to 14

Challenge Level

A game for two people, or play online. Given a target number, say 23, and a range of numbers to choose from, say 1-4, players take it in turns to add to the running total to hit their target.