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Operations with Surds: Rich Tasks

You cannot beat a good rich task! For me, a rich task is one that both stimulates and challenges students of all ages and abilities. Here is a selection of some of my favourites.

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Median Rich Tasks and Purposeful Practise keyboard_arrow_up

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There are no words to express how much I love Don Steward and his amazing resources on his Median Blog. They allow for purposeful practise, to enable students to gain fluency in key skills. But they also have more than a sprinkling of richness, that leads students merrily along the path towards hypotheses and generalisations. Amazing.

Introducing Surds
Powers of Phi
Grid Rectnagles
Area of Isosceles Trapeziums
Paul Lockhart’s Problems
Geometric Series (some with surds)
Pythagoras and Surd Forms
Surd Multiplication and Powers
Golden Ratio
Enlargement Scale Factor Root 2
Unusual Square Roots
Exodus’ Ladder

NRICH keyboard_arrow_up

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NRICH is simply one of the best websites for rich maths problems in the whole wide world.

Other Rich Tasks keyboard_arrow_up

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A selection of some of my favourite rich tasks, including – I must confess – some of my own. For my complete collection, including my thoughts on what makes a good rich task, please visit the Rich Tasks page.