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

Spelling Bee
Spelling Bee
Regular price $0.00 USD
Game
Spelling Bee
No reviews
The official site for the Scripps National Spelling Bee, with word lists, study tips, and competition information helpful for kids who enjoy spelling challenges or want to compete.
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UNHUSHED
UNHUSHED
Regular price $0.00 USD
Physical Curriculum
UNHUSHED
No reviews
A comprehensive sexuality education curriculum provider offering scripted lessons, activities and resources for different age groups. It supports honest, inclusive conversations about bodies, relationships and consent.
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REAL Science Odyssey – Physics (Pandia Press)
REAL Science Odyssey – Physics (Pandia Press)
Regular price $52.99 USD
Physical Curriculum
REAL Science Odyssey – Physics (Pandia Press)
No reviews
An approachable physics curriculum that uses simple, memorable experiments to teach motion, forces, energy, and electricity so kids can see everyday physics in action.
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Ready Jet Go
Ready Jet Go
Regular price $0.00 USD
Online Program
Ready Jet Go
No reviews
An animated show about kids and their alien friend Jet who explore space science topics like planets, orbits, and rockets, often paired with experiments families can extend at home.
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ReadWriteThink
ReadWriteThink
Regular price $0.00 USD
Online Program
ReadWriteThink
No reviews
Free literacy resource hub with lesson plans, strategy guides and interactive tools created by NCTE and IRA, supporting writing and reading instruction across grade levels.
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ReadWorks
ReadWorks
Regular price $0.00 USD
Online Program
ReadWorks
No reviews
Nonprofit reading site offering leveled nonfiction and fiction passages with vocabulary and question sets, often used for comprehension practice and content-area reading.
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Reading Horizons
Reading Horizons
Regular price $10.00 USD
Workbook-Based Curriculum
Reading Horizons
No reviews
A structured literacy program based on phonics and decoding strategies, offering explicit lessons, workbooks, and decodable readers to support beginning or struggling readers at home.
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Ranger Rick Magazine
Ranger Rick Magazine
Regular price $15.00 USD
Subscription Kit
Ranger Rick Magazine
No reviews
A colorful wildlife magazine subscription for kids featuring animal photos, stories, and activities, perfect for budding naturalists to learn about animals and conservation each month.
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Quindew
Quindew
Regular price $0.00 USD
Online Program
Quindew
No reviews
A free online reading and writing program for grades 3–12 that uses gamified "quests," adaptive texts, and built-in feedback to build deep comprehension skills and confidence.
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Health & SEL
Health & SEL
Regular price $0.00 USD
Online Program
Health & SEL
No reviews
Health & SEL is a collection of digital health and social emotional learning tools curated for schools, where families can browse age appropriate programs that build coping skills and healthy habits.
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Science Learning Hub
Science Learning Hub
Regular price $0.00 USD
Online Program
Science Learning Hub
No reviews
New Zealand–based portal offering science explanations, videos and classroom activities connected to real researchers, easily repurposed for homeschool unit studies.
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Get More Math!
Regular price $18.00 USD
Online Program
Get More Math!
No reviews
Math practice platform that lets teachers or parents assign mixed review problem sets and tracks mastery so students regularly revisit and retain previously learned skills.
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USDA Forest Service: Conservation Education
USDA Forest Service: Conservation Education
Regular price $0.00 USD
Online Program
USDA Forest Service: Conservation Education
No reviews
USDA Forest Service materials that include lesson plans, activity guides and printables on forests, wildlife and conservation to support science and environmental stewardship learning.
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Thoughtful Learning
Thoughtful Learning
Regular price $24.95 USD
Physical Curriculum
Thoughtful Learning
No reviews
A provider of writing and language arts programs formerly known as Write Source, offering student books and teacher guides. Materials support step by step skill development from sentences to essays.
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MindUP
MindUP
Regular price $24.99 USD
Online Program
MindUP
No reviews
A social‑emotional learning program that teaches mindfulness, simple brain science, and practical strategies so kids can manage stress, build empathy, and focus more effectively.
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Anti-Racist Art Activities for Kids
Anti-Racist Art Activities for Kids
Regular price $22.99 USD
Online Program
Anti-Racist Art Activities for Kids
No reviews
A curated list of art projects that help kids explore identity, justice, and representation while making creative work. Parents can pull project ideas to spark meaningful conversations alongside art time.
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Calvert Homeschool and Calvert Academy
Calvert Homeschool and Calvert Academy
Regular price $19.95 USD
Online Program
Calvert Homeschool and Calvert Academy
No reviews
Accredited homeschool and online school options that provide full grade level curriculum lesson plans and teacher support. Families can choose independent homeschool kits or enrollment with grading and guidance.
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Hands Up Latin
Hands Up Latin
Regular price $0.00 USD
Physical Curriculum
Hands Up Latin
No reviews
Hands Up Latin provides a story based Latin curriculum for primary aged learners. Lessons weave simple Latin vocabulary with engaging characters and activities making classical language study approachable for young children.
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Davis Art
Regular price $46.95 USD
Physical Curriculum
Davis Art
No reviews
Publisher of K–12 art education materials including textbooks, lesson plans and student books that help families and schools teach studio skills, art history and appreciation.
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Preply
Preply
Regular price $3.00 USD
Online Program
Preply
No reviews
An online tutoring marketplace that connects learners with one-on-one tutors in many languages and subjects, with flexible scheduling and video lessons that can supplement homeschool work.
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Little Justice Leaders
Little Justice Leaders
Regular price $19.00 USD
Subscription Kit
Little Justice Leaders
No reviews
Little Justice Leaders is a monthly subscription kit that uses picture books and activities to help kids learn about social justice topics. Each box supports age appropriate conversations about fairness identity and activism.
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Big Ideas Math
Big Ideas Math
Regular price $0.00 USD
Physical Curriculum
Big Ideas Math
No reviews
A structured math curriculum with student textbooks, homework practice, and online support spanning elementary through high school. Emphasizes conceptual understanding alongside steady skills practice.
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PhET
PhET
Regular price $0.00 USD
Online Program
PhET
No reviews
A free collection of interactive math and science simulations that lets students experiment virtually with concepts like circuits, motion, and fractions, bringing abstract ideas to life on screen. 
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Mrs. Judy Araujo
Regular price $0.00 USD
Online Program
Mrs. Judy Araujo
No reviews
Mrs. Judy Araujo is a blog and resource site from a reading specialist sharing strategies, book lists, and printable tools to support phonics, fluency, and comprehension at home or in classrooms.
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