Stage 3 and 4 Toughnuts

Speed-time Problems at the Olympics

Stage: 4 Challenge Level: Challenge Level:1

Have you ever wondered what it would be like to race against Usain Bolt?

Secret Transmissions

Stage: 4 Challenge Level: Challenge Level:2 Challenge Level:2

How can Agent X transmit data on a faulty line and be sure that her message will get through?

Factorising with Multilinklive

Stage: 4 Challenge Level: Challenge Level:1

Can you find out what is special about the dimensions of rectangles you can make with squares, sticks and units?

The Fastest Cyclistlive

Stage: 4 Challenge Level: Challenge Level:2 Challenge Level:2

Andy is desperate to reach John o'Groats first. Can you devise a winning race plan?

Witch's Hat

Stage: 3 and 4 Challenge Level: Challenge Level:1

What shapes should Elly cut out to make a witch's hat? How can she make a taller hat?

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. More information on many of our other activities can be found here.
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NRICH is part of the family of activities in the Millennium Mathematics Project.