Mathematical Reasoning

What it is

A series of full-color math books, one per level: Beginning 1 (toddler-PreK), Beginning 2 (PreK), Level A (kindergarten), and Levels B-G (grades 1-6), followed by Understanding Pre-Algebra, Understanding Geometry, Understanding Algebra I, and Essential Algebra for older students, plus supplements for grades 2-4, 4-6, and 7-9. Each grade book teaches that grade's concepts and several normally taught in the next grade, using explanations, examples, and charts followed by practice activities. Books come in print or as eBooks.

Written by the Homebuilt team from the publisher’s own materials, checked September 2026. Prices and editions change, so confirm with the publisher. Learn more: Mathematical Reasoning series page · Mathematical Reasoning Level A · Mathematical Reasoning Middle School Supplement