Calculations with Negative Numbers
In this algebra activity, students solve algebraic equations by addition with negative numbers. There are 3 questions with an answer key.
3 Views 8 Downloads
Trigonometry and Complex Numbers
Complex numbers were first represented on the complex plane, now they are being represented using sine and cosine. Introduce the class to the polar form of a complex number with the 13th part of a 32-part series that defines the argument...
11th - 12th Math CCSS: Designed
Imaginary Numbers Are Real (Part 3: Cardan's Problem)
Were complex numbers discovered or invented? A video presentation makes the case for the discovery of square roots of negative one. In order for complex numbers to be real, then they must behave like other numbers, which they do in terms...
5 mins 9th - 12th Math CCSS: Adaptable
How Do You Solve a Decimal Inequality Using Division with Negative Numbers?
If your class is studying inequalities, consider this video. The focus is on solving a decimal inequality that has negative numbers in it. A lecturer works through an example problem, commenting on the steps and properties necessary to...
6 mins 6th - 12th Math