Books

Books and textbooks are still the go-to learning resource for most learning.

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Books Resources

Cover of Key to Geometry Book 4: Perpendiculars

Key to Geometry, Book 4: Perpendiculars

A three-dollar consumable workbook that teaches perpendicular constructions with a compass and straightedge. One of the cheapest genuine geometry resources in print.

Cover of Geometry For Dummies by Mark Ryan

Geometry For Dummies

Mark Ryan's plain-English geometry reference, aimed squarely at the student who has a textbook and still cannot follow the proofs in it.

Cover of Sir Cumference and the Dragon of Pi by Cindy Neuschwander, illustrated by Wayne Geehan

Sir Cumference and the Dragon of Pi

The picture book that gets elementary students to pi through a story rather than a formula. Reliable read-aloud for the circumference-and-diameter lesson.

Cover of Geometry: Seeing, Doing, Understanding, third edition, by Harold R. Jacobs

Geometry: Seeing, Doing, Understanding

Harold Jacobs' classic high-school geometry course, built on discovery rather than memorized proofs. The one geometry text most veteran homeschoolers name first.

Cover of Key to Geometry Book 7 covering perpendiculars, parallels, chords, tangents and circles

Key to Geometry, Book 7: Perpendiculars and Parallels, Chords and Tangents, Circles

The seventh workbook in the compass-and-straightedge series that teaches geometry by construction. Self-paced, consumable, and unusually gentle on math-anxious students.

Cover of Geometry Workbook For Dummies by Mark Ryan

Geometry Workbook For Dummies

The practice half of the For Dummies geometry pair: several hundred problems with fully worked solutions, not just an answer key.

Cover of Practice Makes Perfect: Exploring Grammar from McGraw-Hill

Practice Makes Perfect: Exploring Grammar

Short explanations followed by heavy drill, from McGraw-Hill's long-running self-study series. Cheap, plentiful practice.

Cover of Side by Side Student Book 1, third edition, by Molinsky and Bliss

Side by Side: Student Book 1 (Third Edition)

A conversation-first beginner course built around guided dialogues, which makes it one of the few ESL books that works with two people at a kitchen table.

Cover of Essential Grammar in Use with Answers from Cambridge University Press

Essential Grammar in Use with Answers

Raymond Murphy's elementary grammar reference, built on a two-page unit format that makes it genuinely usable for self-study.

Cover of Word Power Made Easy by Norman Lewis

Word Power Made Easy

A vocabulary builder that teaches Greek and Latin roots rather than word lists, so each session unlocks families of words at once.

Cover of the Azar-Hagen Basic English Grammar Workbook fifth edition

Basic English Grammar Workbook (Azar-Hagen, 5th Edition)

The grammar series most ESL teacher training programs are built around, in workbook form with a full answer key for self-study.

Cover of the Oxford Picture Dictionary Content Areas for Kids English-Spanish edition

Oxford Picture Dictionary Content Areas for Kids (English-Spanish)

The school-subject vocabulary an English learner needs to actually follow a math or science lesson, with Spanish translations alongside.

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