Classweekly

3rd Grade Worksheets

Ages 8-9 · Math, Reading, Writing, and Grammar

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The Potter's Midnight Helpers - 3rd Grade Fables worksheet preview
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The Seed Keeper of Dustwell - 3rd Grade Fables worksheet preview
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The River Race - 3rd Grade Fables worksheet preview

The River Race

Grade3rd Grade
TopicFables
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The Shiny Compass - 3rd Grade Fables worksheet preview

The Shiny Compass

Grade3rd Grade
TopicFables
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Parts of a plant - 3rd Grade Living Things worksheet preview
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Plant life cycles - 3rd Grade Living Things worksheet preview
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Animal life cycles - 3rd Grade Living Things worksheet preview
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Comparing life cycles - 3rd Grade Living Things worksheet preview
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Inherited traits - 3rd Grade Living Things worksheet preview
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Animal adaptations - 3rd Grade Living Things worksheet preview
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Behavioral adaptations - 3rd Grade Living Things worksheet preview
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Animal classification - 3rd Grade Living Things worksheet preview
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Needs of living things - 3rd Grade Ecosystems worksheet preview
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Animal groups - 3rd Grade Ecosystems worksheet preview

Animal groups

Grade3rd Grade
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Weather hazards - 3rd Grade Weather and Climate worksheet preview
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Layers of the earth - 3rd Grade Earth Science worksheet preview
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Volcanoes - 3rd Grade Earth Science worksheet preview

Volcanoes

Grade3rd Grade
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Earth's biomes - 3rd Grade Earth Science worksheet preview

Earth's biomes

Grade3rd Grade
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Earth, moon and sun - 3rd Grade Earth Science worksheet preview
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Natural resources - 3rd Grade The Environment worksheet preview
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Force and motion - 3rd Grade Forces and Motion worksheet preview
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Patterns of motion - 3rd Grade Forces and Motion worksheet preview
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Magnets - 3rd Grade Electricity and Magnetism worksheet preview
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Electricity - 3rd Grade Electricity and Magnetism worksheet preview
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Context clues - 3rd Grade The Meanings of Words worksheet preview
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What 3rd grade worksheets are available on ClassWeekly?

3rd grade worksheets on ClassWeekly cover math, reading, writing, and grammar for children ages 8-9. Each worksheet targets a specific Common Core 3rd grade standard and typically takes 15 to 25 minutes. Topics include multiplication and division facts, fractions on a number line, reading comprehension passages, and paragraph writing.

3rd grade is when math gets serious. Multiplication facts (0 through 12), division as the inverse, fractions on a number line, area and perimeter, and elapsed time all land this year. State testing typically starts in 3rd grade in most states, so the practice volume goes up. Your kid is now expected to solve multi-step word problems, read longer texts independently, and write paragraphs with structure.

The 3rd grade hub covers all four subjects. Math: multiplication and division facts to 100, fractions on a number line, area, perimeter, elapsed time, two-step word problems, basic geometry. Reading: longer informational and literary passages, inference, story elements, character analysis, vocabulary in context. Grammar: parts of speech (all eight), prefixes and suffixes, complex sentences, paragraph structure. Writing: opinion writing with reasons, narrative writing, informational writing.

Every worksheet aligns to a specific Common Core 3rd grade standard. The code is printed on the page.

The single biggest 3rd grade hurdle is multiplication fact fluency. Kids need to know their facts cold by spring. Five minutes of timed practice four days a week works better than a Saturday cram. If your kid is struggling with division, the gap is almost always in multiplication. Fix that first.

For state testing prep, the worksheets in this hub mirror the format of standardized tests (passage, question, answer choices). Practice ten to fifteen minutes a day starting six weeks before the test. Don't drill harder. Drill smarter.

Last reviewed: April 2026

Common questions about 3rd grade worksheets

What is ClassWeekly?

ClassWeekly offers free worksheets and printable learning resources for kids in preschool to grade 5. All worksheets are aligned to Common Core, NGSS, and C3 Framework standards and designed by educators. Become a member to access the full library and download unlimited PDFs.