Free educational resources can be hard to come by, especially finding them in detailed and easy-to-understand formats. However, the website cK-12 has free textbooks for a variety of subjects and grade levels, all of which are available online, can be downloaded on your Kindle or iPad, or viewed as a PDF.
- Real Numbers
- Graphs and Functions
- Square Roots and Irrational Numbers
- Quadratics and Exponential Equations and Functions
- Linear Equations
- Linear Inequalities
- Systems of Equations and Inequalities
- Polynomials and Factoring
- Rational Expressions
There is a selection of eighteen FlexBooks that cover Mathematics – Algebra, the details of which can be found in the LIST. Again, these textbooks can be viewed online, viewed as a PDF, or downloaded onto your Kindle or iPad. And it’s all free!