4th Grade

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Reading Detective Beginning Gr 3-4

The Critical Thinking Co. Reading Detective Beg...

These highly-effective, literature-based critical thinking activities develop...

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The Critical Thinking Co. Mind Benders Book 3

The Critical Thinking Co. Mind Benders Book 3

This 48-page book contains several of our best-selling deductive thinking puz...

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Word Roots Beginning

The Critical Thinking Co. Word Roots Beginning

Students learn the meaning and spelling of roots, prefixes, and suffixes comm...

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Editor in Chief® Level 1

The Critical Thinking Co. Editor in Chief® Level 1

This highly acclaimed, award-winning book has easy-to-understand lessons, act...

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