Khan Academy
Multiplying Fractions and Whole Numbers: Mixed Number Answer, Pre-Algebra
Here is a great video explaining multiplying a fraction by a whole number. Sal shows students how to put a whole number over 1 to multiply it by a fraction. He simplifies his answer and writes it as a mixed number.
Khan Academy
Rounding Whole Numbers 2, Arithmetic Properties, Pre-Algebra
This is the second in a series of three Khan Academy videos on rounding whole numbers. Students watch Sal Khan round the number 423,275 to the nearest thousand by looking at the number in the hundreds place. If it is five or higher, you...
Khan Academy
Rounding Whole Numbers 3, Arithmetic Properties, Pre-Algebra
Sal Khan completes the three-part rounding series with this Khan Academy video on rounding to the nearest 10. He references the actions taken in video two, so students would be best served if all three videos were shown in sequence.
Khan Academy
Rounding Whole Numbers Example 1, Arithmetic Properties, Pre-Algebra
Rounding is an essential skill that must be used throughout the study of mathematics. This Khan Academy video is the first in a series of three. It shows how to round the number 24,259 to the nearest hundred, using a number line.
Khan Academy
Solving Radical Equations, Exponent Expressions and Equations, Algebra I
Continue your lecture on radical equations with this video, which features Sal solving a few more problems with his classic clarity and understandable way. Young mathematicians will benefit immensely from seeing his cool hand guide the...
Curated OER
Multiplying Binomials with the Magic Box
A short video on using the magic box to multiply binomials. A very simple problem is given and it is shown how to set up the magic box and multiply the terms.
Curated OER
Multiplying Algebraic Fractions
This explanation of the steps to multiply algebraic fractions is fairly thorough. She covers factoring of the terms in the fraction and then cancelling of numerators and denominators. However the video and transitions between slides are...
Teach Engineering
How Antibiotics Work
Take two pills and call me in the morning. The first lesson in a short unit of four introduces class members to delivery methods of medicines. The instruction introduces the question of which delivery method is best to get you feeling...
Teach Engineering
Microfluidic Devices and Flow Rate
When you have to flow, you have to flow. The activity introduces class members to microfluidic devices and their uses in medicine. They watch a short video on how the diameter affects the rate of flow. The worksheet has individuals...
PBS
Pbs: Workplace Essential Skills: Using English Measurement
From server storage to fiber internet cable length, understanding measurements is an essential information technology workplace skill.
PBS
Pbs: Workplace Essential Skills: Solving Problems in the Field
Employees in the information technology industry use math to solve problems in their daily jobs, like how much server space is needed for certain applications.
California Academy of Sciences
Ca Academy of Sciences: What If
It's more important than ever to make sure that students are learning STEM skills: Science, Technology, Engineering and Math. Here at the California Academy of Sciences, we make it our mission to educate students about the natural world...
Khan Academy
Khan Academy: Subtracting Decimals: 9.005 3.6
Just like when add, be sure you align decimals before subtracting. Created by Sal Khan, Monterey Institute for Technology and Education. [2:08]
Khan Academy
Khan Academy: Identifying Numerators and Denominators
Sal identifying numerators and denominators in fractions. Created by Sal Khan and Monterey Institute for Technology and Education. [2:31]
Other
School Wax Tv
This media-sharing site consists of only educator-approved videos, organized by audience and grade level. It includes videos created by teachers, students, and educational organizations. Videos are organized by subject and grade range,...