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Measure for Measure

This article, written for students, looks at how some measuring units and devices were developed.

Sizing Them Up

Can you put these shapes in order of size? Start with the smallest.

Cutting it Out

I cut this square into two different shapes. What can you say about the relationship between them?

Hand Span

Age 5 to 7
Challenge Level
It would be helpful to have many hands span pictures created by each child cut out so that the "hand spans" can be laid out side by side instead of the difficulty of the actual hands being placed next to to other over and over again.
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.