The Core Knowledge Foundation provides open access to content-rich curriculum materials for preschool through grade 8, including the Core Knowledge Curriculum Series™, with many materials now available and many more in development.
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The materials made available for download are freely available for anyone to use, adapt, and share (with attribution), but no one is permitted to sell either the original program, an adaptation of it, or lesson plans that reproduce any part of it. For more information, see the Guidelines to Core Knowledge and the Creative Commons License.
Core Knowledge Language Arts
Core Knowledge History and Geography
Core Knowledge Science
- CKLA Unit 11: Third Grade Skills—Introduction to Ecology Grade 3 Language Arts Skills
- CKHG Unit 1: World Rivers Grade 3 History and Geography
- CKHG Unit 2: Ancient Rome Grade 3 History and Geography
- CKHG Unit 3: The Vikings Grade 3 History and Geography
- CKHG Unit 4: The Earliest Americans Grade 3 History and Geography
- CKHG Unit 5: Canada Grade 3 History and Geography
- CKHG Unit 6: Exploration of North America Grade 3 History and Geography Spanish
- CKHG Unit 7: The Thirteen Colonies Grade 3 History and Geography Spanish
- CKSci Unit 1: Investigating Forces Grade 3 Science
- CKSci Unit 2: Life Cycles, Traits, and Variations Grade 3 Science
- CKSci Unit 3: Habitats and Change Grade 3 Science
- CKSci Unit 4: Weather and Climate Grade 3 Science
- CKSci Unit 5: Human Senses and Movement Grade 3 Science