Virtual Nerd
How Do You Plug Variables into an Algebraic Expression?
The instructor demonstrates how to plug-in given variables to rewrite an algebraic expression as a numerical expression. Follow the order of operation rules to simplify the numerical expression once you have plugged in those given values.
Virtual Nerd
How Do You Subtract a Negative Number from a Positive Number?
Subtracting an integer is as simple as adding the opposite value. Watch this video to see an example of how to change the signs and then add the two integers. Use this as a review after you have taught this valuable skill to your middle...
Virtual Nerd
How Do You Use a Proportion to Find a Part of a Whole?
There are two methods for finding the percentage of a number. One is to use an equation, and the other is to use a proportion. This tutorial demonstrates with clear examples how to implement the proportion method. Insert this video into...
Math Playground
What is PEMDAS?
Learning how to solve problems using the order of operations can be challenging. This video explores the how's and why's for the order of operations. This is a must-see video for middle school learners.
Khan Academy
Subtracting Fractions with Like Denominators
Elementary school students can observe Sal as he subtracts fractions that have a common denominator. Because this concept is fairly straight forward, he focuses on simplifying his answer. A great video for those needing extra support in...
Virtual Nerd
How Do You Use a Proportion to Find What Percent a Part is of a Whole?
Percent, parts, whole, how do these pieces fit together to solve a percent problem? Follow along as the instructor shows how to set this up as a proportion problem in order to solve it.
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: 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: 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]
PBS
Pbs Learning Media: Ideas in Action: Get a Second Sentence
Common Core Mathematics identifies the significance of students having the ability to create second sentences alongside their math answers providing justification or explanation of their results. [1:20]
Khan Academy
Khan Academy: Hypothesis Testing With One Sample
T-Statistic Confidence Interval (for small sample sizes)
Khan Academy
Khan Academy: Hypothesis Testing With One Sample
Hypothesis testing with One-Tailed and Two-Tailed Tests
Other
Math Counts Foundation: Probability With Geometry Representations
This video focuses on probability with geometry representations. Links to an activity sheet and the solutions also available.
Curated Video
Math Tutor Dvd: Calculate the P Value in Statistics
In this lesson, you will learn about the very important topic of p-values in statistics. The p-value is a calculation that you make during hypothesis testing to determine if you reject the null hypothesis or fail to reject it.
Curated Video
Math Tutor Dvd: Null and Alternate Hypothesis: Statistical Hypothesis Testing
Learn how to write the null and alternate hypothesis as part of a hypothesis test in statistics. This video will show several examples so that the student gains an understanding of how to work hypothesis testing problems step-by-step....
Curated Video
Math Tutor Dvd: Intro to Hypothesis Testing in Statistics
The student will learn the big picture of what a hypothesis test is in statistics in this video. Items discussed are terms such as the null hypothesis, the alternate hypothesis, statistical significance of a hypothesis test, and more....
Khan Academy
Khan Academy: Conditional Probability and Combinations
Probability that I picked a fair coin given that I flipped 4 heads out of 6 tosses.
Crash Course
Crash Course Statistics #29: Chi Square Tests
The moderator analyzes categorical variables by using Chi Square Tests: Goodness of Fit, Tests of Independence, and Test of Homogeneity.
Crash Course
Crash Course Statistics #24: Bayes
This video discusses Bayes Theorem and Bayesian hypothesis testing.Learn how this theorem can be a very powerful tool because it allows us to incorporate both scientifically rigorous data AND our previous biases into our evolving...
Crash Course
Crash Course Statistics #22: P Values Problems
A video over viewing how p-values can be misinterpreted and how the logic of p-values can be misunderstood. [12:14]