Resources tagged with: Complex numbers

There are 3 NRICH Mathematical resources connected to Complex numbers, you may find related items under The Number System and Place Value.

Broad Topics > The Number System and Place Value > Complex numbers

8 Methods for Three by One

Age 14 to 18
Challenge Level

This problem in geometry has been solved in no less than EIGHT ways by a pair of students. How would you solve it? How many of their solutions can you follow? How are they the same or different?. . . .

What Are Numbers?

Age 7 to 18

Ranging from kindergarten mathematics to the fringe of research this informal article paints the big picture of number in a non technical way suitable for primary teachers and older students.

Napoleon's Theorem

Age 14 to 18
Challenge Level

Triangle ABC has equilateral triangles drawn on its edges. Points P, Q and R are the centres of the equilateral triangles. What can you prove about the triangle PQR?