Lesson Planet
EdTech Tuesdays: Crackers & Goo
The name of this app may sound a little gross, but there's nothing gross about learning math with game-based practice. Rich and Jennifer demonstrate just how to line up your crackers in order to avoid the goo, and learn some...
Lesson Planet
EdTech Tuesday: Foldify
Foldables in an app? Cool! You can learn all about it in this video. Jennifer and Rich show you what the app is about by walking you through how to create and print custom foldable materials.
Lesson Planet
EdTech Tuesday: MathTime RT
Are you trying to integrate technology into the elementary math curriculum but having trouble finding the right tools? Rich and Jennifer are here to help as they explore this fun skills practice app and point out considerations when...
Lesson Planet
EdTech Tuesday: AnimalWatch
Kids love animals, so encourage them to explore matches with animal-themed math. Jennifer and Rich present the app's features, spending particular time on how to use it and apply it to your classroom needs.
Lesson Planet
EdTech Tuesday: Long Division Touch
Well, the long and short of it is that this is an excellent app for practicing long division! Rich and Jennifer demonstrate how to use the program and walk through additional features offered by the app.
Flipped Math
Sampling Methods
Pupils watch a video to learn about different types of sample design and how to use technology to create a random sample. They discover different types of bias that may happen due to the sampling design or the questions. Learners use...
Khan Academy
Solving Rational Equations 2, Polynomial and Rational Functions, Algebra II
This video focuses on rational expressions and completes Sal's lecture series on working with and solving this particular type of equation. Its length would be ideal for a computer lab visit or homework assignment (in conjunction with a...
Northeast Arkansas Education Cooperative
Function Families and Their Connections Including Vertical Shift of an Absolute Value Function
One of the strongest tools an algebra learner develops is the ability to quickly and accurately graph almost any given function. Often doing this quickly and accurately requires rigid transformations to a parent function,...
Northeast Arkansas Education Cooperative
Function Families: Translations and Reflections
This comprehensive introduction to rigid transformation of functions does a fabulous job of breaking down translations and reflections into manageable concept chunks. Care is taken with horizontal translations, vertical translations,...
Curated OER
How Do You Find the Area of a Trapezoid?
Trapezoids can be tricky! Break down the process of finding the area of a trapezoid with an engaging math video. Learners explore area formula and shown exactly how to plug in information, solve, and simplify.
Curated OER
Binomial Theorem (Part 3)
In this video on the Binomial Theorem, Sal tries to give an intuition behind why combinations are part of its definition. By looking at the expansion of (a + b)3 and carefully looking at where each value originates from, one can see how...
Curated OER
Compound Interest and e (Part 2)
Sal continues to look at changing the length of compounding time, from daily to hourly compounding interest. Now he is able to show that compounding 100% annual interest converges on the number 2.71É or e as the number of compounding...
Curated OER
Conic Sections: Hyperbolas 2
Here is an example in this video of graphing a hyperbola centered at the origin. First, Sal shows solving for the equations of the asymptotes and then shows how to determine the direction of the hyperbola. He takes the approach of not...
Curated OER
Conic Sections: Hyperbolas 3
Continuing with the study of graphing hyperbolas, Sal shows an example of graphing a parabola that is centered at a point off the origin. By looking at the equation, first without shifting it, he helps listeners develop an intuitive...
Khan Academy
Parallel Lines From Equation, Mathematics I, High School Math
Here is a fairly basic video that uses three equations, each written in slope-intercept form, to determine whether the lines are parallel. Sal graphs each equation on the same coordinate plane to show how their slopes compare. The video...
Khan Academy
Area of a Circle, Perimeter, Area, and Volume, Geometry
This production, the second installment in a series of circles, demonstrates the process of finding the area of a circle. It is effective as an introductory tool. However, it needs to explain the reasoning behind the formula because that...
Khan Academy
Testing If a Relationship is a Function, Functions and Their Graphs, Algebra II
This short video looks at different points on a coordinate plane and answers a question about whether these points could represent a function. The answer is determined by looking at each point individually to determine whether, given a...
Khan Academy
Solving Equations with the Distributive Property, Linear Equations, Algebra I
Here is an equation in which the first step is to use the distributive property to remove the parenthesis. Then, it is solved for the variables. Since variables are on both sides of the equation, it is important to verify the answer by...
Khan Academy
Solving for F in Terms of C, Linear Equations, Algebra I
The instructor uses the temperature formula to illustrate how the variables can be manipulated to solve a problem.
Khan Academy
Recognizing Linear Functions, Linear Equations and Functions
Starting with a set of values for the x and y variables, this video shows how to tell whether these points determine a linear or non-linear function. Sal first defines linear functions in terms of the change in y over the change in x,...
Khan Academy
Dividing Mixed Numbers, Fractions, Pre-Algebra
Before Sal can divide a mixed number, he has to rewrite it as an improper fraction. He explains that dividing a fraction is the same as multiplying it by its reciprocal and that you can "cancel out" numbers to make multiplying easier.
Khan Academy
Solving Percent Problems, Decimals, Pre-Algebra
Converting percents to decimals, and the other way around, can be tricky. Sal shows young mathematicians how to simplify this process with two sample equations and one word problem.
Khan Academy
Adding Fractions with Like Denominators, Fractions, Pre-Algebra
Show your students this presentation to help them understand how to add fractions with like denominators. Sal adds 3/15 to 7/15 and then simplifies his answer. He uses drawings and multiple colors to show the actual process.
Khan Academy
Multiplying in Scientific Notation (Example), Pre-Algebra
Apply the concept of scientific notation to a word problem involving the rate of speed. Sal explains how to express the answer using scientific notation.
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