Books

Straw Polyhedra for Geometry

This book includes step-by-step instructions for assembling each of the five platonic solids, their stellating pyramids, and their duels which are formed by connecting the tips of pyramids. The instructions show how to connect the straws by usin... More.

Jumpstarters for Geometry

Exercises cover lines, angles, polygons, figures, symmetry, transformations, perimeter, area, solid figures, surface area, volume, ordered pairs, and coordinate planes. Reproducible daily activities come five to a page and are great for getting students... More.

Advanced Geometry Workbook

The theorems and principles of basic geometry are clearly presented in this workbook, along with examples and exercises for practice. All concepts are explained in an easy-to-understand fashion to help students grasp geometry and form a solid fo... More.

Geometry Reproducibles

This workbook offers computation practice and reinforces geometry skills. A special assessment section at the end helps teachers evaluate progress and prepare them for standardized tests. 48 pages. Grades 7-10.

Cli... More.

Piece of Pi

Wit-sharpening, brain-bruising, number-crunching activities with Pi! Students will trace the history of Pi, recreate famous experiments, and discover how Pi is mysteriously related to other things, like their hat sizes and the vertically-... More.

Tall-Tale Math: Geometry Basics

Highly-creative story problems spark curiosity and help students appreciate geometry as a powerful tool for solving real-life questions. Includes review sheets, skill-builder sheets, and extra practice sheets. 64 pages. Grades 5-9.

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Studies in Geometry Series: Proofs – Reasoning with Mathematics

Develop concepts through explanation, modeling, and practice. Covers topics: strategies: everything you need to know, developing lines of reason, working backward, paragraph proofs, creating order, and formal proofs. 64 pages. Grade 6 and up. More.

Studies in Geometry Series: Triangles – Calculating Measurements and Ratios

Book develops concepts through explanation, modeling, and practice. Covers topics: triangle basics, right triangles, perimeter and area, special segments, word problems, congruent triangles, and similar triangles. 64 pages. Grade 6 and up. More.

Studies in Geometry Series: Constructions – Creating Geometric Figures

Book develops concepts through explanation, modeling, and practice. Covers topics: segments construction, angles construction, constructions based on congruent triangle theorems, special segments in triangles, and circle constructions. 56 pages. Grade 6... More.

Studies in Geometry Series: Circles – Relationships with Segments and Angles

Book develops concepts through explanation, modeling, and practice. Covers topics: circles and segments, arcs and circles, chords, inscribed figures, segments and arc measurements, tangent circles and common tangents, area and circumference, sector and ... More.