Curated OER
Scientific Notation Including Multiplication and Division
Here is a basic video on scientific notation. The presenter defines scientific notation for very large and very small numbers. Then he shows how to convert numbers to scientific notation, and how to do the reverse by converting from...
Curated OER
Estimating Surface Area
Kids might enjoy this dramatic presentation on estimating surface area. The fake Transylvanian accent is a bit distracting but the problem solving practices are sound. Dr. Crazy Pants rounds his decimal measurements then multiplies...
Mathispower4u
Solve a Linear Equation With Decimals and Variables on Both Sides (Example)
Create better equation solvers! The video presentation tackles solving an equation with variables on both sides with decimal coefficients. The instructor explains how to multiply by a constant to eliminate the decimals before continuing...
Corbett Maths
Multiplication by 10, 100 and 1000
Make multiplication seem 10 times simpler. Viewers of a short educational video see how to multiply values by 10, 100, and 1,000 by moving the decimal point. Examples in the video cover both whole numbers and decimals.
Curated OER
Scientific Notation -- Multiplication and Division
The video quickly reviews the definition of scientific notation, and then demonstrates how to multiply two numbers in scientific notation together and how to rewrite the final answer if necessary. It does not show an example of using...
Curated OER
Scientific Notation 1
Scientific notation is defined and used to express the number 0.0000000003457. This concept is not as clearly defined as it could be, and is probably not suitable for those who have not had prior experience with the concept.
Curated OER
Scientific Notation
Explaining scientific notation is useful because "it allows us to write really large or really small numbers in ways that are easy for our brains to write down and understand," Sal proceeds to solve a few practice problems involving...
Curated OER
Two-Step Equations
Sal adds a few more steps to these problems as he solves algebraic equations with two steps - though he states that "there's more than one way to do it." Those who become confused by increasingly complicated algebra problems on a test...
Numberphile
Transcendental Numbers
Here is a resource that transcends expectations. Scholars watch a video in the Numberphile "Pi" playlist to learn about transcendental numbers. The video uses a game to explain how to classify numbers as either algebraic or transcendental.
Krista King Math
How to Write Small and Big Numbers in Scientific Notation
Now you don't have to write all those zeros. Viewers of this video learn how to write large and small numbers in scientific notation. The video covers two examples for each type.
Curated OER
How Do You Use a Proportion to Find What Percent a Part of a Whole?
Percentages, 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.
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