Krista King Math
Adding Mixed Measures
Examine an approach to adding measures of various units. An instructor demonstrates a horizontal approach to adding mixed measures by borrowing from the larger measures. The examples shown include time and length.
FuseSchool
Transformations of Graphs: Translations
Explore translations of functions on both the graph and equation. Using a quadratic function, a video lesson shows how adding and subtracting values results in either a vertical or horizontal translation. The lesson compares and...
Krista King Math
Addition and Subtraction of Mixed Numbers
Demonstrate the process of adding and subtracting mixed numbers using a video tutorial. A video instructor explains the steps of combining mixed numbers as she works through several examples. The examples add and/or subtract up to four...
Khan Academy
IIT JEE Complex Numbers (Part 1), Imaginary and Complex Numbers, Precalculus
In this video, a complex number is defined and graphed on the complex plane. Sal also shows how to add, subtract, and multiply two complex numbers. He shows how to divide two complex numbers but runs out of time and continues in the...
Khan Academy
How to Add Fractions that have Different Denominators, Fractions, Pre-Algebra
Your young mathematicians can solve this problem along with Sal. They will add 4/9 and 11/12 by finding a number that evenly divides both 9 and 12. Sal fully explains the process of finding a common denominator in an evident and...
Khan Academy
Complex Numbers (Part 1)
In this video, a complex number is defined and graphed on the complex plane. Sal also shows how to add, subtract, and multiply two complex numbers. He shows how to divide two complex numbers but runs out of time and continues in the...
Mathed Up!
Area of Compound Shapes
Scholars learn how to determine the area of compound shapes by finding the areas of the basic shapes that make it up. Pupils find the areas by adding areas together or subtracting them.
Krista King Math
Signs of Fractions
Where do you put the negative sign when working with fractions? The video lesson answers this question by explaining that each fraction has three signs. Pupils see how to adjust the signs of a fraction two at a time.
Curated OER
How Do You Simplify a Mixed Expression Over a Mixed Expression?
You will need to pay close attention while watching this video. There are many steps and many operations to do to simplify this algebraic fraction. If it seems hard the first time you watch it and you miss something, then watch it again....
Curated OER
How Do You Simplify a Mixed Expression Over a Mixed Expression?
You will need to pay close attention while watching this video. There are many steps and many operations to do to simplify this algebraic fraction. And if it seems hard the first time you watch it and you miss something, then watch it...
Curated OER
What's the Addition Property of Inequality?
The addition property of inequality is just like the addition property of equality. They each state that whatever is added to one side of the equation or inequality must be added to the other side. Watch this video and see how the...
Curated OER
How Do You Solve a Word Problem Using an Inequality With Variables on Both Sides?
Don't skip this word problem! Take one piece at a time in writing out this inequality. Once you have an expression that represents the words in this inequality, the rest will seem easy. So watch this video to get a better understanding...
Curated OER
How Do You Solve a Rational Equation?
There are a lot of steps in this problem. But just like walking up a flight of stairs, you should take one step at a time, so too in the solving of this problem. The instructor explains each step and what to do to move to the next one.
Curated OER
How Do You Solve a Rational Equation?
There are a lot of steps in this problem. But just like walking up a flight of stairs, you should take one step at a time, so too in the solving of this problem. The instructor explains each step and what to do to move to the next one.
Khan Academy
Logarithmic Scale, Logarithms, Algebra II
In this thought-provoking video, Sal shows how a typical linear scale is different from a logarithmic scale. He plots numbers on both scales and compares them to show why the logarithmic scale is useful. This video gives an intuitive...
Khan Academy
Exponent Properties Involving Quotients (Examples)
This video focuses on a series of problems involving exponent properties. Sal demonstrates rational expressions, simplifying fractions, and manipulating algebraic equations using exponents and division.
Khan Academy
A Clever Application of the Distributive Property to Solve a Multi-Step Equation
The instructor demonstrates how to use the distributive property to eliminate fractions in an equation. Remember to have learners plug their answers into the original equation to check their work.
Khan Academy
SAT Prep: Test 7 Section 8 Part 4
Finishing this practice session, Sal takes care to address the last three problems, which are also the most complicated of the set. Problem 14 is a tricky algebra question that results in Sal plugging in the multiple choice answers to...
Khan Academy
SAT Prep: Test 7 Section 5 Part 1
The beginning of a new set of SAT practice problems from The Official SAT Study Guide involves sequences, distribution, combinations, and geometric figures. Sal makes sure to provide thorough explanations to each problem, while...
PBS
Pbs Learning Media: Musical Math Facts
Calculate the sum of the addends on the screen to find out how many repetitions of each exercise to do. Then exercise along with the kids in the video to improve your mental math skills and fitness level at the same time. [9:50]
PBS
Pbs Learning Media: Move That Math
Calculate the sum of the two cards on the screen to find out how many repetitions of each exercise to do. Then exercise along with the kids in the video to improve your mental math skills and fitness level at the same time. [5:34]