Grade(s): 2-3
Pages: 370

Building Thinking Skills® teaches non-verbal and verbal reasoning. These skills are rarely explictly taught in the classroom but are essential for academic excellence and success on any assessment test. In print for over 30 years this is a world-wide top seller. Also available in software - a game like presentation of the same exercises.

Grade(s): 3-6
Activities: 60
Pages: 48, perforated

Our best-selling deductive thinking puzzles develop logic, reading comprehension, and mental organizational skills that are vital to achieving high grades and top test scores in all subjects. They’re also great for developing real-life, problem-solving skills.

Grade(s): 3-5
Activities: 48
Pages: 56

Think Analogies® clearly, easily, and effectively teaches students how to analyze and classify analogies by relationship, category, and structure. Also available in a software format as Think Analogy Puzzles A1

Grade(s): 3-5
Pages: 380

Designed for students who need more challenging material than they typically encounter in most math curricula. Each chapter contains instruction and problems at 4 levels of difficulty. In addition, each chapter includes multiple “problem sets” in which a single problem type is presented in increasingly complex steps, illustrating how a simpler problem can progress from one step to multistep problem solving.