Instructional Video
Khan Academy

Khan Academy: Brain Teasers: Blue Forehead Room Brain Teaser

9th - 10th
What happens when 100 perfect logicians have to figure out if they each have a blue forehead?
Instructional Video
Khan Academy

Khan Academy: Brain Teasers: Alien Abduction Brain Teaser

9th - 10th
Saving Earth from becoming a mushroom farm.
Instructional Video
Khan Academy

Khan Academy: Difference Between Inductive and Deductive Reasoning

9th - 10th
This video explains the difference between inductive and deductive reasoning and then discuss a given example.
Instructional Video
Khan Academy

Khan Academy: Deductive and Inductive Reasoning: Deductive Reasoning 2

9th - 10th
Video gives example of solving a radical equation with all steps given. Goes through checking the answer and discusses whether the problem uses inductive or deductive reasoning.
Instructional Video
Khan Academy

Khan Academy: Cognitive Biases: The Gi Joe Fallacy

9th - 10th
In this video, Laurie Santos (Yale University) discusses why knowing about our cognitive biases is not enough to overcome them. She'll introduce a new cognitive error known as the G.I. Joe Fallacy, the tendency for our biases to stick...
Instructional Video
Khan Academy

Khan Academy: Language: Conditionals, Part 1

9th - 10th Standards
Justin invites us to think about conditional sentences ('if P then Q'). Perhaps surprisingly, the question of what these sentences mean has vexed philosophers for thousands of years. In part one, Justin motivates the question and...
Instructional Video
PBS

Pbs: Wyoming's Native Americans: Who Are the People of the Wind River Reservation?

9th - 10th
Learn about the treaty that established the Wind River Reservation and the two tribes that inhabit it, the Northern Arapaho and Eastern Shoshone. Included is a lesson plan and discussion guide. [4:18]
Instructional Video
Khan Academy

Khan Academy: Sufficient Assumptions Worked Example

9th - 10th
In this video [5:55] watch a demonstration of one way to approach a sufficient assumption question. It is a worked example.
Instructional Video
Khan Academy

Khan Academy: Sufficient Assumptions Video Lesson

9th - 10th
In this video [9:55] watch one way to approach a question that asks you to identify a sufficient assumption on the logical reasoning section of the LSAT.
Audio
Science Friday Initiative

Science Friday: Learning Facts vs Learning to Reason

9th - 10th
How connected are learning scientific facts and learning to reason scientifically?
Instructional Video
Sophia Learning

Sophia: Counterexamples: Lesson 2

9th - 10th
This lesson will help a learner understand counterexamples. It is 2 of 7 in the series titled "Counterexamples." [1:43]