This is part of a series of arithmetic lessons created for my grandkids, but I'm opening them to the world. You can access an annotated index with links on my Math Without Borders website here: https://mathwithoutborders.com/the-grandpa-project
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https://www.youtube.com/watch?v=x7NVZqYB-bo
This video lesson is from the Home Study Companion to Paul Foerster's Algebra 1: Expressions, Equations, and Applications. See http://MathWithoutBorders.com for more information.
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https://www.youtube.com/watch?v=WUJDL8LUL4k
This video lesson is from the Home Study Companion to Paul Foerster's Algebra and Trigonometry: Functions and Applications. See http://MathWithoutBorders.com for more information.
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https://www.youtube.com/watch?v=wHCIY0_ArY8
Geometry: A Guided Inquiry is a unique and wonderful, non-traditional geometry text by Don Chakerian, Calvin Crabill, and Sherman Stein at UC Davis. I have used it as the basis for a home study course supplemented by solution manuals (on pdf), a large collection of Geometer's Sketchpad demonstrations, and video lessons covering the chapter review sections. For more information see http://MathWithoutBorders.com
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https://www.youtube.com/watch?v=xvSmJvf6UY8
Adding the larger single digit numbers without having to count all the way up. This video is part of the "Grandpa Project." It is aimed at students who got past the early grades but are still having trouble with basic skills.
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https://www.youtube.com/watch?v=zUfb8HS7dnk
This lesson from the HSC Algebra 2/Trigonometry course introduces augmented matrices as a method for solving systems of equations.
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https://www.youtube.com/watch?v=JTvcrCaRhUU
This is part of a series of arithmetic lessons created for my grandkids, but I'm opening them to the world. You can access an annotated index with links on my Math Without Borders website here: https://mathwithoutborders.com/the-grandpa-project
...
https://www.youtube.com/watch?v=P9CzQxUuApY