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4 Dom

Use these four dominoes to make a square that has the same number of dots on each side.

Pair Sums

Five numbers added together in pairs produce: 0, 2, 4, 4, 6, 8, 9, 11, 13, 15 What are the five numbers?

Number Sandwiches

Can you arrange the digits 1, 1, 2, 2, 3 and 3 to make a Number Sandwich?

Going to the Cinema

Age 11 to 16



An alternative version of this problem, Cinema Problem, is available with full teachers' notes and suggestions for classroom use









The NRICH Project aims to enrich the mathematical experiences of all learners. To support this aim, members of the NRICH team work in a wide range of capacities, including providing professional development for teachers wishing to embed rich mathematical tasks into everyday classroom practice.
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