Terms of use
Updated November 1, 2026
Educational information
The book previews and guides provide general educational information, not legal advice, state approval, accreditation, or a guarantee of academic results. Confirm homeschool requirements, deadlines, and exam eligibility with the responsible official agency before acting.
Book samples and permitted use
The ten worksheet samples may be photocopied for household or classroom use as indicated on the sample pages. This permission does not extend to distributing the full manuscript or republishing the book’s excerpts. No broader license is granted by these terms.
Source dates and external services
State guides identify source review dates and withhold requirements not sufficiently verified. Sources may change after review. External sites and retailers are responsible for their own services, policies, and content.
Standards references
Common Core State Standards are an initiative of the National Governors Association Center for Best Practices and the Council of Chief State School Officers. Next Generation Science Standards is a registered trademark of Achieve. The C3 Framework was published by the National Council for the Social Studies. References do not imply endorsement of this book or site.