geometry of numbers

Challenging Problems in Geometry - (Dover Books on Mathematics) 2nd Edition by Alfred S Posamentier & Charles T Salkind (Paperback)

Geometry - 2nd Edition by Audun Holme (Paperback)

Math Games for Clever Kids - by Gareth Moore (Paperback)

Learn by Sticker: More Addition & Subtraction - by Workman Publishing (Paperback)

Kumon Math Boosters: Addition & Subtraction - (Paperback)

Math with Bad Drawings - by Ben Orlin

Geometry in the open air - by Yakov Perelman (Paperback)

Euclid and Geometry - (Immortals of Science) by Estelle A Delacy (Hardcover)

Barron's Math 360: A Complete Study Guide to Geometry with Online Practice - (Barron's Test Prep) by Lawrence S Leff & Elizabeth Waite (Paperback)

Kumon Everyday Math: Addition & Subtraction-Fun Activities for Grades 1-2-Complete with Dice, Game Pieces, and Counting Tiles! - (Paperback)

Lost Sacred Geometries - by Setrak Taner Isnar (Hardcover)

Number Systems and the Foundations of Analysis - (Dover Books on Mathematics) by Elliott Mendelson & Underwood Dudley & Mathematics (Paperback)

Break It Down Intro to Multiplication Reference Book - by Carson Dellosa Education & Elise Craver (Paperback)

Addition and Subtraction Double Digits Kids Ages 7-9 Adding and Subtracting Maths Activity Workbook 110 Timed Maths Test Drills Grade 1, 2, 3, and 4

Kumon Math Bites: Grade 4 Multiplication and Division-100 Bite-Sized Lessons to Improve Math Skills and Confidence! - (Paperback)

Space and Geometry - by Ernst Mach (Paperback)

The Foundations of Geometry - by David Hilbert

ABC Geometry - by Bookspring (Paperback)

Geometry Through Stories - (Math Mastery) by Jenny Kellett

Understanding Mathematics - by Sarah Hull & Tom Mumbray (Hardcover)

Build It! World Landmarks - (Brick Books) by Jennifer Kemmeter

Geometry of Grief - by Michael Frame (Paperback)

Modern Geometry with Applications - (Universitext) by George A Jennings (Paperback)

Living with Geometry - by Michael a Green (Paperback)