Factors and Multiples
Key Stage: 3 ★
Can you find some pairs of numbers from the grid that add up to a multiple of 11? Can you find every possible pair?
On first inspection this appears to be an opportunity to practice mental calculation strategies, but it soon becomes apparent that this context offers an opportunity to think about the structure of numbers, and multiples in particular.
This resource has comprehensive teachers' notes and resources, linked from the problem page. This includes possible approaches and key questions, as well as possible support and extensions.
The file attached is a HTML file, which, when opened, automatically redirects you to the problem on the NRICH website.
Key Stage: 3 ★
Can you find some pairs of numbers from the grid that add up to a multiple of 11? Can you find every possible pair?
On first inspection this appears to be an opportunity to practice mental calculation strategies, but it soon becomes apparent that this context offers an opportunity to think about the structure of numbers, and multiples in particular.
This resource has comprehensive teachers' notes and resources, linked from the problem page. This includes possible approaches and key questions, as well as possible support and extensions.
The file attached is a HTML file, which, when opened, automatically redirects you to the problem on the NRICH website.
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good use of patterns
Great task, really love the Nrich website and the solutions form students. Worth a look
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