CK-12 Foundation
Triangle Sum Theorem: Lesson
The measures all add up. The presentation, part of a helpful playlist on geometry, provides the statement of the Triangle Sum Theorem. Using the theorem, the video shows how to find the missing measure of an angle.
CK-12 Foundation
Perpendicular Lines in the Coordinate Planes: Lesson
Get the slope right with two easy steps. By placing two perpendicular lines on the coordinate plane, the video determines the relationship of the slopes of the two line lines. The resource is a part of an informative and extensive...
CK-12 Foundation
Congruent Angles and Bisectors: Lesson
How is congruence shown? Using angles, the resource introduces the congruence symbol and explains the meaning of being congruent. A segment of a larger playlist on basic geometry discusses bisection as a way to arrive at two congruent...
CK-12 Foundation
Same Side Interior Angles: Lesson
Supplement your scholars' knowledge of angles involved with parallel lines. Using the properties of alternate interior angles and linear pairs, the presenter shows interior angles located on the same side of a transversal of parallel...
CK-12 Foundation
Alternate Exterior Angles: Lesson
Use an alternate approach to parallel lines. A resource in a comprehensive playlist on basic geometry develops the concept of alternate exterior angles and parallel lines. The presentation demonstrates how to identify alternate exterior...
CK-12 Foundation
Alternate Interior Angles: Lesson
Concepts of alternate interior angles parallel the concepts of corresponding angles. Using a diagram, the presentation defines and identifies alternate interior angles formed by a transversal and two parallel lines. The video in a...
Math Antics
The Pythagorean Theorem
Be sure the class gets this one right. Using a right triangle, the video introduces the Pythagorean Theorem. The presentation breaks down the theorem into its components while providing uses of the Pythagorean Theorem and its converse.
Mathed Up!
Angles: Parallel Lines
Viewers are presented with seven problems with parallel lines and angle relationships and must use the given information to find the measures of specific angles. To finish, they explain their process in finding the measures in the...
Mathematics Assessment Project
Modeling Motion: Rolling Cups
Connect the size of a rolling cup to the size of circle it makes. Pupils view videos of cups of different sizes rolling in a circle. Using the videos and additional data, they attempt to determine a relationship between cup...
Mathed Up!
Angles in Triangles and Quadrilaterals
This short video show viewers how to connect the sum of the angles in a triangle to other angle measurements. Pupils determine the missing measures for angles involved with triangles and quadrilaterals. Class members then must explain...
Mathed Up!
Best Buys
Which scenario is the better deal? Class members examine nine scenarios to determine which choice offers a better deal. Pupils decide whether they need to find unit costs or total prices to compare the two options.
Khan Academy
Khan Academy: Statistics: One Tailed and Two Tailed Tests
Video expands on medical example from previous video and explains the difference between a one-tailed and two-tailed hypothesis test, when they would be used, and gives an example of calculating a one-tailed test. [6:34]
Khan Academy
Khan Academy: Statistics: Anova 3 Hypothesis Test With F Statistic
Video demonstrates how to calculate an F-statistic and use the F-distribution to determine whether to accept or reject a null hypothesis. [10:14]
University of New South Wales (Australia)
University of New South Wales: Prob Stats6: Binomial and Geometric Distributions
In this lecture for an introductory probability and statistics course, the instructor goes over binomial and geometric distributions, as well as sign tests. [52:21]
Texas Education Agency
Texas Gateway: Study Edge Statistics: Hypothesis Test for One Proportion, Part 1
This lesson looks at a hypothesis test for one proportion in a problem about Snapchat use among teenagers. Includes downloadable study guide with exercises - guide also covers other topics. [11:34]
Texas Education Agency
Texas Gateway: Study Edge Statistics: Steps of Hypothesis Testing
This lesson explains the process for doing a hypothesis test about an unknown population parameter by examining required conditions and assumptions, calculating the test statistics, finding the p-value, and stating the conclusion....
Khan Academy
Khan Academy: Statistics: Large Sample Proportion Hypothesis Test
Video gives an example of a hypothesis test calculation involving the proportion of the population that has internet access given a large sample size. Discusses finding a critical z-score to determine whether to reject the null...
Khan Academy
Khan Academy: Statistics: Hypothesis Test Comparing Population Proportions
Video demonstrates the steps of a hypothesis test involving comparing population proportions. It shows setting up the null and alternative hypotheses and the steps used to calculate a z-statistic for the difference of the proportions and...
Khan Academy
Khan Academy: Statistics: Hypothesis Testing and P Values
Video gives example of hypothesis testing with an example related to medical testing. Includes setting up a null hypothesis and an alternative hypothesis. [11:26]
Khan Academy
Khan Academy: Statistics: Hypothesis Test for Difference of Means
Video demonstration of setting up a hypothesis test and calculating whether the difference of sample means of an experiment falls within a 5% significance level and using that to determine whether to accept or reject the null hypothesis....
Khan Academy
Khan Academy: Statistics and Probability: Study Design: Statistical Questions
Video explaining what the characteristics of a good statistical question are. [9:33]
Khan Academy
Khan Academy: Statistics: Study Design: Types of Statistical Studies
This video explains the different types of study designs used in statistics. [9:51]
Khan Academy
Khan Academy: Fundamentals: Bayes' Theorem
In this Wireless Philosophy video, Ian Olasov (CUNY) introduces Bayes' Theorem of conditional probability and the related Base Rate Fallacy. [6:20]
Khan Academy
Khan Academy: Hypothesis Testing With One Sample: Small Sample Hypothesis Test
Small Sample Hypothesis Test