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Primary live problems and recent solutions
American billions
Play the divisibility game to create numbers in which the first two digits make a number divisible by 2, the first three digits make a number divisible by 3...
EYFS thinking about: Incey Wincey
Here are some examples of children's thinking about the NRICH task Incey Wincey.
The add and take-away path
Two children made up a game as they walked along the garden paths. Can you find out their scores? Can you find some paths of your own?
Olympic rings
Can you design your own version of the Olympic rings, using interlocking squares instead of circles?
Recommended books
From objects and images to mathematical ideas
How can I support the development of early number sense and place value?
This article for primary teachers expands on the key ideas which underpin early number sense and place value, and suggests activities to support learners as they get to grips with these ideas.
All change
There are three versions of this challenge. The idea is to change the colour of all the spots on the grid. Can you do it in fewer throws of the dice?