Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: N cn.a.2: Powers of a Complex Number

For Teachers 9th - 10th Standards
The goal of this task is to practice making calculations with complex numbers and to visualize what happens when two complex numbers are multiplied. Aligns with N-CN.A.2.
Handout
Math Is Fun

Math Is Fun: The Evolution of Numbers

For Students 9th - 10th Standards
Discusses what numbers are and how our understanding of them has evolved over thousands of years, from simple counting to negative numbers and irrational numbers, for example. Includes a set of practice questions where students identify...
Article
Other

Critical Thinking Secrets: What Is Systems Thinking?

For Students 9th - 10th
There are various approaches to solving problems that require us to analyze and interpret data. However, complex problems can require different perspectives to work upon and different elements that altogether play a crucial role in...