Critical Thinking Company

The Beginning 1 book is a complete curriculum for children of age 3. These highly effective activities take children far beyond drill-and-practice by using step-by-step, discussion-based problem...

The Beginning 2 book is a complete curriculum for children of age 4. These highly effective activities take children far beyond drill-and-practice by using step-by-step, discussion-based problem...

Grades 2 - 4 Mathematical Reasoning: Grades 2-4 Supplement reinforces 2nd, 3rd, and 4th grade math concepts by helping students devise strategies to solve a wide variety of math problems as they...

Grades 4 - 6 Mathematical Reasoning: Grades 4-6 Supplement reinforces 4th, 5th, and 6th grade math concepts and skills by helping students devise strategies to solve a wide variety of math problems...

Forget boring math lessons and dreaded drill sheets. This fun, colorful 282-page book, now in an enhanced version, uses engaging lessons with easy-to-follow explanations, examples, and charts to make...

Mathematical Reasoning helps your child devise strategies to solve a wide variety of math problems. These books emphasize problem solving and computation to build the math reasoning skills necessary...

Mathematical Reasoning helps your child devise strategies to solve a wide variety of math problems, including algebra, measurement, probability, decimals, equations, fractions, inequalities,...

Grade 5 Mathematical Reasoning helps students devise strategies to solve a wide variety of math problems. This book emphasizes problem-solving and computation to build the math reasoning skills...

6th Grade Forget boring math lessons and dreaded drill sheets. This fun, colorful 448-page book uses engaging lessons with easy-to-follow explanations, examples, and charts to make sixth grade...

Grades 7 - 9 Mathematical Reasoning: Middle School Supplement reinforces 7th-9th grade math concepts and skills by asking students to apply analytically-based arithmetic skills to a wide range...

PreK - K Puzzles are solved through marking off possibilities on included charts, narrowing down each choice. Notes are included about the clues to prevent over-thinking problems, and an example...

Grades 1 - 2 Designed to improve deductive reasoning, reading comprehension and organized analysis, Mind Benders have proven successful with children of a wide range of ability and motivation. Each...