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Pizza Portions

My friends and I love pizza. Can you help us share these pizzas equally?

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Pies

Grandma found her pie balanced on the scale with two weights and a quarter of a pie. So how heavy was each pie?

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In the Money

There are a number of coins on a table. One quarter of the coins show heads. If I turn over 2 coins, then one third show heads. How many coins are there altogether?

Red Balloons, Blue Balloons

Stage: 2 Challenge Level: Challenge Level:1
Read the problem again and again until you understand what you are being asked to do.
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.