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Domino Square

Use the 'double-3 down' dominoes to make a square so that each side has eight dots.

4 Dom

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

The Lily Pond

Freddie Frog visits as many of the leaves as he can on the way to see Sammy Snail but only visits each lily leaf once. Which is the best way for him to go?

Plenty of Pens

Age 7 to 11
Challenge Level

Amy went into her local stationery shop. Her mum had given her £2.50 to spend.

Amy liked the look of some luminous pens, which cost 15p each, and some fancy pencils, which cost 10p each.


She bought four times as many pens as pencils and was given 40p change.

How many of each did she buy?

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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