Principles of Mathematics – Book 1 – Additional Resources

This is an online webpage designed to go along with Book 1 of Principles of Mathematics.

Found a resource helpful that’s not listed here? Have a question about the curriculum? Send us an email at

Principles of Mathematics eCourseeCourse Supplement

Need more visual input? An optional eCourse component is be available. The eCourse features short videos to go with each lesson. View more.


Helpful Resources

Note: All the links below go to external sights; we have no control over the content, nor is a listing here an endorsement. Feel free to find other online resources instead–these are just listed here as a convenience.

Online Abacus

Online Scientific Calculator

Resources for Extra Worksheets

Below are some sites that offer printable worksheets if your student needs extra practice or drill on a concept.

Percent problems:

Graphing problems:

Three-Year Schedule

For students needing longer with each concept, here is a three-year schedule that shows you how to complete both books in 3 years.


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