Alabama Learning Exchange
Imaginary Numbers? What Do You Mean Imaginary?
Don't worry, this resource actually exists. Scholars learn about imaginary numbers and work on problems simplifying square roots of negative numbers. As an extension, they research the history of imaginary numbers.
Curated OER
The Two Number Problem
In this number problem activity, students solve 1 word problem about squaring numbers. Students find two different numbers that are equal when they are squared.