The Critical Thinking Co.™
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Editor in Chief® Level 2
The Critical Thinking Co.™
$28.93Now: $26.17Was: $28.93This 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...$28.93Now: $26.17Was: $28.93 -
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Editor in Chief® Level 3
The Critical Thinking Co.™
$34.44Now: $31.69Was: $34.44This 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...$34.44Now: $31.69Was: $34.44 -
On Sale
Math Detective Book, A1, Grade 5-6
The Critical Thinking Co.™
$27.55Now: $24.80Was: $27.55This 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...$27.55Now: $24.80Was: $27.55 -
Mind Benders Level 1, Grades PreK-K
The Critical Thinking Co.™
$15.15This 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...$15.15 -
Mind Benders Level 3, Grades 3-6
The Critical Thinking Co.™
$15.15This 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...$15.15 -
Mind Benders Verbal, Grades K-2
The Critical Thinking Co.™
$13.77This 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...$13.77 -
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Reading Detective® B1, Grades: 7-8
The Critical Thinking Co.™
$35.82Now: $33.07Was: $35.82These highly-effective, literature-based critical thinking activities develop the analysis, synthesis, and vocabulary skills students need for exceptional reading comprehension. This 208-page...$35.82Now: $33.07Was: $35.82 -
On Sale
Reading Detective® Beginning, Grade 3-4
The Critical Thinking Co.™
$35.82Now: $33.07Was: $35.82These highly-effective, literature-based critical thinking activities develop the analysis, synthesis, and vocabulary skills students in Grades 3-4 need for exceptional reading comprehension. This...$35.82Now: $33.07Was: $35.82 -
On Sale
Reading Detective® Book, A1, Grade 5-6
The Critical Thinking Co.™
$35.82Now: $33.07Was: $35.82These highly-effective, literature-based thinking activities develop the analysis, synthesis, and vocabulary skills students need for exceptional reading comprehension. This 192-page activity book is...$35.82Now: $33.07Was: $35.82 -
On Sale
Reading Detective® Rx, Grade 6-12
The Critical Thinking Co.™
$34.44Now: $31.69Was: $34.44These highly-effective, literature-based critical thinking activities develop the analysis, synthesis, and vocabulary skills students need for exceptional reading comprehension. This 192-page...$34.44Now: $31.69Was: $34.44 -
Out of StockOn Sale
Science Detective® A1, Grade 5-6
The Critical Thinking Co.™
$31.69Now: $28.93Was: $31.69The 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...$31.69Now: $28.93Was: $31.69 -
Out of StockOn Sale
The Basics of Critical Thinking
The Critical Thinking Co.™
$35.82Now: $33.07Was: $35.82This 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...$35.82Now: $33.07Was: $35.82 -
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Word Roots Beginning
The Critical Thinking Co.™
$22.04Now: $20.66Was: $22.04This 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...$22.04Now: $20.66Was: $22.04 -
On Sale
Word Roots Level 1
The Critical Thinking Co.™
$37.20Now: $34.44Was: $37.20This 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...$37.20Now: $34.44Was: $37.20 -
On Sale
Word Roots Level 2
The Critical Thinking Co.™
$37.20Now: $34.44Was: $37.20This 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...$37.20Now: $34.44Was: $37.20 -
On Sale
Word Roots Level 3
The Critical Thinking Co.™
$41.34Now: $37.20Was: $46.85This 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...$41.34Now: $37.20Was: $46.85