Instructional Video4:12
Science ABC

How Did Early Humans Know What To Eat and What To Avoid?

Pre-K - Higher Ed
As children, we learn almost entirely through observation and mimicking. From laughter and walking to the use of objects and empathy, we often create the behavior of our lives based on what we witness in others. The same thing is true...
Instructional Video4:12
Curated Video

How Did Early Humans Know What To Eat and What To Avoid?

Pre-K - Higher Ed
As children, we learn almost entirely through observation and mimicking. From laughter and walking to the use of objects and empathy, we often create the behavior of our lives based on what we witness in others. The same thing is true...
Instructional Video9:13
Math Fortress

Algebra II: Quadratic Equations - Factoring (Level 8 of 10)

12th - Higher Ed
This video continues covering the proper way to solve quadratic equations of the form ax^2+bx+c=0 by factoring. This video goes over an example where the coefficient of the quadratic term is greater than 1. The example involves an...
Instructional Video10:37
Math Fortress

Algebra II: Quadratic Equations - Factoring (Level 9 of 10)

12th - Higher Ed
This video continues covering the proper way to solve quadratic equations of the form ax^2+bx+c=0 by factoring. This video goes over two examples where the coefficient of the quadratic term is greater than 1. The first example involves...
Instructional Video12:02
Math Fortress

Algebra II: Quadratic Equations - Factoring (Level 10 of 10)

12th - Higher Ed
This video concludes the series on solving quadratic equations of the form ax^2+bx+c=0 by factoring. This video goes over four slightly more challenging examples where the coefficient of the quadratic term is greater than 1.
Instructional Video10:31
Math Fortress

Algebra II: Quadratic Equations - Factoring (Level 7 of 10)

12th - Higher Ed
This video continues covering the proper way to solve quadratic equations of the form ax^2+bx+c=0 by factoring. This video goes over an example where the coefficient of the quadratic term is greater than 1. This video covers two common...
Instructional Video
Virtual Nerd

Virtual Nerd: How Do You Solve an Equation by Guessing and Checking?

6th - 8th
Guessing and checking is one strategy to solve equations, but contrary to the name there is strategy involved. Watch this video for an explanation and examples. [4:34]