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Number Sense Series: Developing Early Number Sense
This article for teachers suggests teaching strategies and
resources that can help to develop children's number sense.
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problem
Sending and Receiving Cards
7 to 11
This challenge asks you to investigate the total number of cards that would be sent if four children send one to all three others. How many would be sent if there were five children? Six?
article
Using Rich Tasks in an Objective Led Culture
As teachers, we appreciate the need to have clear objectives at the start of lessons but have been aware of the limitations this sometimes seems to place on our ability to get the most out of using rich tasks. In this article we talk about how we managed this tension.
problem
Medal Muddle
11 to 14
Countries from across the world competed in a sports tournament. Can you devise an efficient strategy to work out the order in which they finished?
article
On the Importance of Pedantry
A introduction to how patterns can be deceiving, and what is and is not a proof.
problem
Distribution Differences
14 to 16
How could you compare different situations where something random happens? What sort of things might be the same? What might be different?
problem
Sending Cards
7 to 11
This challenge asks you to investigate the total number of cards that would be sent if four children send one to all three others. How many would be sent if there were five children? Six?
problem
Favourite
Odds, Evens and More Evens
11 to 14
Alison, Bernard and Charlie have been exploring sequences of odd and even numbers, which raise some intriguing questions...
problem
Favourite
Product Sudoku
11 to 16
The clues for this Sudoku are the product of the numbers in adjacent squares.
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Divisibility Tests
This article explains various divisibility rules and why they work. An article to read with pencil and paper handy.