Brainteasers

27th February 2004 at 00:00
Puzzles to test mathematical skills. Set by Anita Straker.

Solutions on page 31. More brainteasers on www.tes.co.ukteacherbrainteasers

Total 10

Age 5-7

Here is a three-by-three grid of numbers.

Cross out two numbers on the grid.

The rest of the numbers in each row and column must total 10.

Matchstick puzzle

Age 9-13

This pattern is made from 16 matchsticks.

Take away just four matches to leave exactly four equilateral triangles.

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