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Unit Plan
Core Knowledge Foundation

Third Grade Skills Unit 4: Stories of Ancient Rome

For Teachers 3rd Standards
A unit covering stories of Ancient Rome examines spelling rules, suffixes, verbs, quotation marks, writing, and dictionary skills. Lessons follow a similar routine; reading, skills practice, and extension activities, followed by...
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Unit Plan
Core Knowledge Foundation

Third Grade Skills Unit 6: Gods, Giants, and Dwarves

For Teachers 3rd Standards
The halfway mark of a series offers final skills practice in spelling patterns, suffixes, and building sentences with conjunctions in preparation for assessments that gauge proficiency. Remediation and enrichment follow the test results...
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Unit Plan
Core Knowledge Foundation

Third Grade Skills Unit 7: What’s in Our Universe?

For Teachers 3rd Standards
Over four weeks, third graders participate in lessons that boost spelling, grammar, reading, and writing skills. Scholars explore spelling patterns, suffixes, singular and plural possessive nouns, quotations, and conjunctions....
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Unit Plan
Core Knowledge Foundation

Third Grade Skills Unit 8: Native American Storiess

For Teachers 3rd Standards
An interdisciplinary unit focuses on third-grade ELA skills and Native American stories. Over two weeks, scholars practice spelling patterns, work with plural possessive nouns and suffixes, and identify between its and it's. Readings...
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Unit Plan
Core Knowledge Foundation

Third Grade Skills Unit 5: Adventures in Light and Sound

For Teachers 3rd Standards
Light and sound are the themes of a unit focused on third-grade skills. Scholars practice spelling patterns, grammar—adverbs, adjectives, synonyms, writing sentences with conjunctions, and listening and responding to read-aloud. Over...
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Unit Plan
Core Knowledge Foundation

Third Grade Skills Unit 2: Rattenborough’s Guide to Animals

For Teachers 3rd Standards
An animal-themed unit focuses on third-grade skills. Scholars practice spelling patterns, prefixes, suffixes, and grammar concepts—nouns, verbs, adjectives, subjects, predicates, and sentences. Assessments gauge proficiency.
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Worksheet
Curated OER

Adding -ed Practice Sheet

For Students 2nd - 3rd
In this suffix worksheet, students practice adding the suffix 'ed' to the variety of words listed. Students use the rules to help them spell the words correctly.

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