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Matching Fractions, Decimals and Percentages

Can you match pairs of fractions, decimals and percentages, and beat your previous scores?

Too Close to Call

Weekly Problem 24 - 2012
Can you put these very close fractions into order?

Fractions Jigsaw

A jigsaw where pieces only go together if the fractions are equivalent.

Sept 03

Age 11 to 14
Challenge Level


What is the last digit of the numberOne over five to the power nine hundred and three?


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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NRICH is part of the family of activities in the Millennium Mathematics Project.