The Critical Thinking Co.™

Move over Sudoku, here come Balance Benders™! You can use these activities as quick, fun logic problems or as stepping stones to success in algebra. Students develop problem-solving skills and...

This colorful, fun 224-page book develops critical thinking skills necessary for success in reading, writing, math, science, social studies, and standardized tests. It also teaches many academic...

This engaging 288-page book develops critical thinking skills necessary for success in reading, writing, math, science, social studies, and standardized tests in Grades 7-12+. The Building Thinking...

This colorful and engaging series improves academic performance in Reading, Writing, Math and Science and prepares students for a wide variety of cognitive tests commonly used for academic placement...

This colorful and engaging series improves academic performance in Reading, Writing, Math and Science and prepares students for a wide variety of cognitive tests commonly used for academic placement...

This colorful 32-page book offers a collection of fun, easy-to-use detective cases for Grades 3-12+. This book—unlike the later books in the series—includes some crime cases that involve...

This colorful 32-page book offers a collection of fun, easy-to-use detective cases for Grades 4-12+. Some cases may be more challenging for younger students, but teachers and parents can always...

This colorful 32-page book offers a collection of fun, easy-to-use detective cases for Grades 4-12+. Some cases may be more challenging for younger students, but teachers and parents can always...

This 144-page book is comprised of intriguing activity pages to wake up sleepy brains for the day's lessons. Each activity page takes about 5-15-minutes to solve and develops the most important...

This 136-page book is comprised of intriguing activity pages to wake up sleepy brains for the day's lessons. Each activity page takes about 5-15-minutes to solve and develops the most important...

This 136-page book is comprised of intriguing activity pages to wake up sleepy brains for the day's lessons. Each activity page takes about 5-15-minutes to solve and develops the most important...

This fun, highly-effective 136-page book teaches students in Grades 4-5 grammar, punctuation, spelling, capitalization, and critical reading in a standards-based thinking approach instead of the...

This fun, highly-effective 160-page book teaches students in Grades 6-8 grammar, punctuation, spelling, capitalization, and critical reading in a standards-based thinking approach instead of the...

This fun, highly-effective 216-page book teaches students in Grades 9-12 grammar, punctuation, spelling, capitalization, and critical reading in a standards-based thinking approach instead of the...

Editor in Chief® Beginning 1 improves students' grammar, punctuation, spelling, capitalization, and attention to detail using a standards-based thinking approach rather than drill and practice...

This 128-page book uses topics and skills drawn from national math standards to prepare your students for advanced math courses and assessments that measure reasoning, reading comprehension, and...

Mind Benders®, 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...

This 56-page book contains several of our best-selling deductive thinking puzzles. It develops the logic, reading comprehension, and mental organization skills vital to achieving higher grades and...

This 48-page book contains several of our best-selling deductive thinking puzzles. It develops the logic, reading comprehension, and mental organization skills vital to achieving higher grades and...

This 48-page book contains several of our verbal deductive thinking puzzles. Unlike our other Mind Benders® products, these puzzles are read to students, so they develop the logic, listening, mental...