Written Arithmetic: 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.
Contents
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.
Add/Subtract
Front to BackRotate
Kapreka’s Constant
Multiply
Non Calculator Multiplication PractiseMax Prod
1 to 6 Multiplication
1 to 9 Multiplied
Multiplication by a Digit
Divide
Multi Dividable NumbersDivisible by 37
Littlest
Division Cycling
Division by 7
All Operations Together
Basic Number TasksCleverly Calculating
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.
Dicey OperationsAdd to 200
Forwards Add Backwards
Cinema Problem
Two and Two
Method in Multiplying Madness?
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.
Inquiry Maths 24 x 21 = 42 x 12Inquiry Maths 21 x 534 > 21 x 53 x 4 > 2 x 1534
Inquiry Maths Division Inquiry
Inquiry Maths Inequalities Inquiry
Number Reverse
Multiplication Reduction
1089
Arithmagon – Addition
Arithmagon - Subtraction
Arithmagon – Multiplication
Arithmagon – Division
James Tanton's Curriculum Essay February 2015: Why do we need to know this?
James Tanton's Curriculum Essay March 2015: Teaching Algorithms