Number

All these activities focus on number, but we have grouped them below to help you find tasks on particular topics more easily.

Number and Place Value

Age 5 to 11 Challenge Level:

These challenges will help your understanding of number and place value.

Addition and Subtraction

Age 5 to 11 Challenge Level:

Try these activities which all involve addition and subtraction.

Multiplication and Division

Age 5 to 11 Challenge Level:

These tasks will help you to think about multiplication and division.

Fractions, Decimals, Percentages, Ratio and Proportion

Age 5 to 11 Challenge Level:

Try these tasks if you want to improve your understanding of fractions.

Algebra

Age 7 to 11 Challenge Level:

These problems can be solved using algebra.

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.