Effective Techniques to Motivate Mathematics Instruction: Edition 2

Problem Solving Through Recreational Mathematics

Math Tricks: The Surprising Wonders of Shapes and Numbers

536 Puzzles and Curious Problems

Secret Lives of Numbers: Numerals and Their Peculiarities in Mathematics and Beyond

100 Great Problems of Elementary Mathematics

Short-Cut Math

Geometry, Its Elements and Structure: Second Edition, Edition 2

Mathematical Puzzles and Curiosities

Challenging Problems in Geometry

Calculus Made Easy: Being a Very-Simplest Introduction to Those Beautiful Methods of Reckoning Which are Generally Called by the Terrifying Names of the Differential Calculus and the Integral Calculus

The Moscow Puzzles: 359 Mathematical Recreations

Chess Openings For Dummies

My Best Mathematical and Logic Puzzles

Five Crazy Nights: The Survival Guide to Five Nights at Freddy's and Other Mystery Games

Secrets of Mental Math: The Mathemagician's Guide to Lightning Calculation and Amazing Math Tricks