Student Solutions

Take a look at students' solutions to these recently solved problems.

Largest Even

Age 5 to 7
Challenge Level

How would you create the largest possible two-digit even number from the digit I've given you and one of your choice?

Tables Teaser

Age 5 to 7
Challenge Level

How will you work out which numbers have been used to create this multiplication square?

Dicey Array

Age 5 to 11
Challenge Level

Watch the video of this game being played. Can you work out the rules? Which dice totals are good to get, and why?

Light the Lights Again

Age 7 to 11
Challenge Level

Each light in this interactivity turns on according to a rule. What happens when you enter different numbers? Can you find the smallest number that lights up all four lights?

Dozens

Age 7 to 14
Challenge Level

Can you select the missing digit(s) to find the largest multiple?

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.
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NRICH is part of the family of activities in the Millennium Mathematics Project.