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Six Is the Sum

Stage: 2 Challenge Level: Challenge Level:2 Challenge Level:2
How will you know when you have found all the numbers?
It might help to have some digit cards to 'play' with.
What is the smallest number whose digits add to six?
What is the largest number whose digits add to six?
The NRICH Project aims to enrich the mathematical experiences of all learners. To support this aim, members of the NRICH team work in a wide range of capacities, including providing professional development for teachers wishing to embed rich mathematical tasks into everyday classroom practice. More information on many of our other activities can be found here.
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NRICH is part of the family of activities in the Millennium Mathematics Project.