The Critical Thinking Co.™

These highly-effective, literature-based critical thinking activities develop the analysis, synthesis, and vocabulary skills students need for exceptional reading comprehension. This 192-page...

The mind-building lessons and activities in this 176-page book teach topics and skills drawn from state and national science standards to prepare students for more advanced science courses and new...

This engaging, colorful 152-page book teaches the most important critical thinking concepts every student should know. Many workbooks claim to teach or develop critical thinking skills, but most of...

This 112-page book teaches students the meaning and spelling of roots, prefixes, and suffixes that are the elements used to form words in English. Learning these word elements dramatically improves...

This 249-page book teaches students the meaning and spelling of Latin roots, prefixes, and suffixes that are the elements used to form words in English. Learning these word elements dramatically...

This 256-page book teaches students the meaning and spelling of Latin and Greek roots, prefixes, and suffixes that are the elements used to form words in English. Learning these word elements...

This 288-page book teaches students the meaning and spelling of Greek roots, Latin and Greek prefixes, and Latin and Greek suffixes that are the elements used to form words in English. Learning these...