3rd Grade Curriculum

Third grade is often when learning begins to feel more “real” to kids: they’re reading chapter books, writing longer pieces, and tackling multiplication and division. Our 3rd Grade Curriculum collection gathers vetted, secular resources that help homeschoolers, afterschooling families, and caregivers support this important leap with confidence. You’ll find core programs and targeted units for reading, writing, math, science, and social studies, plus creative and nature-based options that keep curiosity alive. Each resource is reviewed for developmental fit, clear explanations, and opportunities for hands-on practice so eight- and nine-year-olds can build skills without losing joy. Use the filters to sort by subject, format (all-in-one curriculum, books, apps, or kits), and learning needs including ADHD, dyslexia, autism, giftedness, or 2e. Many families mix structured practice with project-based learning from this collection. If you’re not sure how to choose the right third grade curriculum, Modulo’s AI learning concierge can help you design a plan that fits your child’s strengths and your family’s schedule.

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637 products

What If World - Stories for Kids
Regular price $0.00 USD
Funny Growth-Mindset Story Podcast
What If World - Stories for Kids
No reviews
What If World is a kids’ storytelling podcast created by Eric O’Keeffe, where listener questions spark hilarious, heartfelt adventures. With hundreds of safe, screen-free episodes, it’s a fun way for homeschool families to build literacy, imagination, and social-emotional skills—parents love its creativity, humor, and lasting replay value.
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N*Gen
Regular price $0.00 USD
Nature-Based Curriculum
N*Gen
No reviews
N*Gen, produced in Africa, is a bold program that blends online lessons with hands-on projects to spark creativity, critical thinking, and confidence. Globally recognized and Peabody Award–nominated, it offers flexible learning that parents love for reducing stress, inspiring curiosity, and building life-ready skills.
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Gov Funding
Critikid - Critical Thinking for Kids
Regular price $0.00 USD
Self-Paced Video Course
Critikid - Critical Thinking for Kids
Rating: 5.0 out of 5
Critikid offers self-paced, interactive courses that help kids build critical thinking skills. Courses cover logical fallacies, data analysis, symbolic logic, emotional intelligence, and media literacy. We also provide ready-to-use worksheets, puzzles, and lesson plans, as well as a homeschool half-credit curriculum for teens.
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Michael Clay Thompson (MCT) Language Arts Curriculum
Regular price $28.00 USD
Literature-Based Curriculum
Michael Clay Thompson (MCT) Language Arts Curriculum
No reviews
The Michael Clay Thompson (MCT) curriculum offers an advanced, literature-rich approach to language arts for gifted and 2e students. Covering grammar, vocabulary, writing, poetics, and literature, it inspires precision and creativity. Families value its depth, rigor, and lasting impact, making it a trusted choice for exceptional learners.
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Screen Free
Tinybop's Explorer's Library
Regular price $2.99 USD
A collection of play-based science apps for children K-6.
Tinybop's Explorer's Library
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Science apps to expand your child's understanding of the world through engaging play.
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Screen Free
Touch type Read and Spell (TTRS)
Regular price $99.00 USD
Literature-Based Curriculum
Touch-type Read and Spell (TTRS)
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Touch-type Read and Spell (TTRS) combines touch-typing with phonics-based literacy, grounded in the Orton–Gillingham approach. Designed for learners with dyslexia and other challenges, it offers structured, multisensory lessons that build fluency, confidence, and measurable progress at home or in school.
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Gov Funding
Loulou Academy
Regular price $5.00 USD
Adaptive Learning App
Loulou Academy
Rating: 5.0 out of 5
Loulou Academy turns screen time into learning time for kids ages 3–12. Using neuroscience and gamification, it offers adaptive lessons aligned with school curricula in a fun, game-like format. Parents love its balance of play and education, making it a perfect fit for families seeking guilt-free, engaging learning at home.
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Free Trial
Aquatic Metaverse Virtual Worlds
Regular price $28.00 USD
Interactive Virtual World Learning
Aquatic Metaverse Virtual Worlds
Rating: 5.0 out of 5
Salty Sharks is an immersive virtual education platform for students aged 8–16, focusing on STEM, history, and biology. Through project-based learning and conservation partnerships, it helps develop creativity, critical thinking, and problem-solving skills. The platform, accessible via computer, tablet, or VR, has already engaged over 10,000 students.
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Screen Free
Nautilus Homeschool
Nautilus Homeschool
Regular priceFrom $49.00 USD
Online Program
Nautilus Homeschool
No reviews
Nautilus Homeschool is a complete, literature-based K-12 homeschool curriculum for intellectually curious kids who love to read. Our approach rests on three pillars: a strong verbal and math foundation, a focus on great books, and the flexibility to create an education program that is uniquely suited to each student. The curriculum is compiled from carefully curated books and other external materials. This allows the student to benefit from the world's best educational sources in each subject, and it creates space for the inclusion of great books on a wide variety of topics.
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Science is Weird
Science is Weird
Regular price $40.00 USD
Self-Paced Online Course
Science is Weird
Rating: 5.0 out of 5
Science is WEIRD is a narrative-driven online science program covering six years of physics, chemistry, biology, astronomy, earth science, and zoology through funny videos and optional deep-dive PDFs that encourage real scientific thinking.
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Wild Math Curriculum
Wild Math Curriculum
Regular price $35.00 USD
Physical Curriculum
Wild Math Curriculum
No reviews
Wild Math is a nature-based elementary math curriculum for grades K–5 that teaches core concepts like place value, fractions, and geometry through outdoor play, movement, games, and hands-on exploration.
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Storytelling through Song: Secular Eclectic Academic Books & More
Regular price $9.97 USD
Physical Curriculum
Storytelling through Song: Secular Eclectic Academic Books & More
No reviews
A joyful 12-week, project-based unit study (PDF) for elementary kids that blends music appreciation and language arts. Write a storytelling song, explore Peter and the Wolf, act and mime characters, and see how tempo, key, and instruments carry a narrative—singing and learning with interpretive dance
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Real Science Odyssey Physics Level One Student Pages
Real Science Odyssey Physics Level One Student Pages
Regular price $34.99 USD
Physical Curriculum
Real Science Odyssey Physics Level One Student Pages
No reviews
These Physics Level One Student Pages provide printable lab and notebook sheets that match the elementary physics text making it easy for each child to record experiments without writing in the main book.
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Real Science Odyssey Physics Level One
Real Science Odyssey Physics Level One
Regular price $87.99 USD
Physical Curriculum
Real Science Odyssey Physics Level One
No reviews
Physics Level One is a year-long elementary physics curriculum for grades 3–6 that uses hands-on experiments and clear explanations to explore motion, magnetism, electricity, and more through Pandia Press’s Read–Explore–Absorb–Learn model.
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REAL Science Odyssey Level 1 (Grades K-6)
REAL Science Odyssey Level 1 (Grades K-6)
Regular price $87.99 USD
Physical Curriculum
REAL Science Odyssey Level 1 (Grades K-6)
No reviews
REAL Science Odyssey Level 1 is an elementary secular science curriculum for grades K–6 featuring story-based lessons, hands-on experiments, journaling, and inquiry activities that build strong foundational science understanding.
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Real Science Odyssey Earth Environment 1 Student Pages
Real Science Odyssey Earth Environment 1 Student Pages
Regular price $23.99 USD
Physical Curriculum
Real Science Odyssey Earth Environment 1 Student Pages
No reviews
Earth and Environment 1 Student Pages provide consumable lab and notebook sheets that mirror the Level One text making it easy for siblings to record experiments and observations separately.
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Real Science Odyssey Earth Environment 1
Real Science Odyssey Earth Environment 1
Regular price $72.99 USD
Physical Curriculum
Real Science Odyssey Earth Environment 1
No reviews
Earth and Environment 1 is an elementary-level course for grades 1–4 that weaves geology, weather, climate, and environmental science together with hands-on labs and narrative lessons.
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Real Science Odyssey Chemistry Level One Student Pages
Real Science Odyssey Chemistry Level One Student Pages
Regular price $34.99 USD
Physical Curriculum
Real Science Odyssey Chemistry Level One Student Pages
No reviews
Chemistry Level One Student Pages offer consumable lab and notebook worksheets so children can document experiments and notes while keeping the main chemistry text reusable for future students.
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Real Science Odyssey Chemistry Level One
Real Science Odyssey Chemistry Level One
Regular price $87.99 USD
Physical Curriculum
Real Science Odyssey Chemistry Level One
No reviews
Chemistry Level One is a hands-on secular curriculum for grades 3–5 that introduces atoms, reactions, and the periodic table through narrative lessons and household-material experiments.
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Real Science Odyssey Biology Level 1 Student Pages
Real Science Odyssey Biology Level 1 Student Pages
Regular price $34.99 USD
Physical Curriculum
Real Science Odyssey Biology Level 1 Student Pages
No reviews
Biology Level 1 Student Pages offer lab sheets, vocabulary spaces, and diagram pages that align with the elementary biology text helping kids interact with the material and keeping the core book reusable.
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Real Science Odyssey Biology 1
Real Science Odyssey Biology 1
Regular price $87.99 USD
Physical Curriculum
Real Science Odyssey Biology 1
No reviews
RSO Biology Level 1 is a secular life science curriculum for grades 2–5 that uses humorous narrative, hands-on experiments, and modeling to introduce cells, genetics, anatomy, ecology, and evolution.
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Real Science Odyssey Astronomy 1 Student Pages
Real Science Odyssey Astronomy 1 Student Pages
Regular price $23.99 USD
Physical Curriculum
Real Science Odyssey Astronomy 1 Student Pages
No reviews
Astronomy 1 Student Pages provide consumable activity and lab sheets that align with the Level 1 elementary astronomy text giving each child a neat place to record reading and experiment work.
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Real Science Odyssey Astronomy 1
Real Science Odyssey Astronomy 1
Regular price $72.99 USD
Physical Curriculum
Real Science Odyssey Astronomy 1
No reviews
Astronomy 1 is a secular elementary curriculum for grades 1–4 that uses narrative lessons, hands-on experiments, journaling, and stargazing to introduce space science in an accessible way.
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REAL Science Odyssey
REAL Science Odyssey
Regular price $89.99 USD
Physical Curriculum
REAL Science Odyssey
No reviews
REAL Science Odyssey is a secular K–10 science curriculum that combines experiments, critical thinking, and cross-disciplinary writing to bring authentic, hands-on science into homeschool settings with flexible pacing.
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