Homeschool
Old books, taught today
Free, public-domain schoolbooks that families have trusted for generations. Read them here or download them, then use a step-by-step guide to teach each lesson: what to get out, what to say, and which page to open.
Ray's Arithmetic
The best-known American arithmetic series of the 1800s, by Joseph Ray. All six books of the 1877 “New” series to read or download, plus guides for every lesson of the Primary book (ages about 5 to 7) and the Intellectual book (about 7 to 10).
Start with Ray's →Graphing Calculator
Graph equations and drag sliders to see how they change. Solve, factor, and find derivatives, integrals and limits with exact answers. Matrices, statistics, complex numbers and more, with a page of examples to try.
Open the calculator →More to come
This section will grow, one book at a time, each with its own teaching guides. On the rest of the site, see the Latin and Greek tools, the learning games, the free books and the memory-work infographic.