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Can you design a new shape for the twenty-eight squares and arrange the numbers in a logical way? What patterns do you notice?

Noah

Noah saw 12 legs walk by into the Ark. How many creatures did he see?

Writing Digits

Lee was writing all the counting numbers from 1 to 20. She stopped for a rest after writing seventeen digits. What was the last number she wrote?

Stone Age Counting

Age 5 to 7
Challenge Level
Up until Summer 2017 we have had not submissions.
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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