Solving Equations

Watch the following video (and the one after that) to see how to solve
equations.

http://www.mathmaster.org/video/simple-equations/?id=1

Finding Percent of a Number

Watch the following to find percent of a number.
https://youtu.be/TvSKeTFsaj4

Fractions, Percents, Decimals

Visit
https://www.khanacademy.org/math/pre-algebra/pre-algebra-ratios-rates/pre-algebra-percent-decimal-conversions/v/representing-a-number-as-a-decimal-percent-and-fraction

To see how to convert between Fractions, Decimals and Percents.

Math Text Book Link

If you need a pdf copy of the textbook, there
is one available here:
http://ecmath.weebly.com/mathlinks-textbook-online.html

Perpendicular Bisectors Of Chords

Watch the video on Perpendicular Bisectors of Chords
https://www.khanacademy.org/math/geometry/hs-geo-circles/hs-geo-inscribed-triangle-area/v/perpendicular-radius-bisects-chord

Central and Inscribed Angels in a Circle

http://www.mathmaster.org/video/an-inscribed-angle-is-half-of-a-central-angle-that-subtends-the-same-arc/?id=1158

Multiplying Binomials (FOIL) method

Watch the following to see
how to multiply two binomials.
http://www.mathmaster.org/video/multiplying-binomials/?id=977