Welcome to the World Class Arena online challenge centre.

Have a go at our maths and problem solving challenges. They are based on the World Class Tests that have been taken in several countries. There are four challenges: two for eight to eleven year-olds and two for 12 - 14 year-olds.

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There are a number of tests you can try, click on the links below:

• Mathematics ages 8-11
• Mathematics ages 12-14
• Problem solving ages 8-11
• Problem solving ages 12-14

Good luck!