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For younger learners

  • Early Years Foundation Stage

Complex Numbers Further

A Brief Introduction to Complex Numbers

Age 14 to 18
Challenge Level Yellow star

In this problem, we define complex numbers and invite you to explore what happens when you add and multiply them.

A Brief Introduction to the Argand Diagram

Age 14 to 18
Challenge Level Yellow star

Complex numbers can be represented graphically using an Argand diagram. This problem explains more...

Complex Squares

Age 16 to 18
Challenge Level Yellow star

What happens when we square complex numbers? Can the square of a complex number be real?

Thousand Words

Age 16 to 18
Challenge Level Yellow starYellow starYellow star

Here the diagram says it all. Can you find the diagram?

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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.

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

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