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Brainteasers age 11-14

Puzzles to test mathematical skills. Set by Anita Straker. Solutions on page 39. More brainteasers on www.tes.co.ukteacherbrainteasers

Magic circles

In this circle, the numbers 1 to 9 are placed so that each "slice" and each "ring" have a total of 15.

Now place the numbers 1 to 16 so that each slice and each ring have a total of 34.

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