Choose a resource with the learner, then use its “Try next” prompt to move from browsing to learning. Grade labels are starting points; some collections need an adult to select an appropriate lesson.
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MathK–2
Khan Academy
Start with number sense
Count objects, compare quantities and connect spoken numbers to written numbers.
- Format
- Videos + practice
- Access
- Free lessons; account for saved progress.
Try next: Count a small group of objects, then explain how you know the total.
Open Counting at Khan Academy ↗
MathGrade 3 entry
Khan Academy
Build multiplication and fractions
A grade 3 course connecting multiplication, division, fractions, area, measurement and data.
- Format
- Course + practice
- Access
- Free lessons; account for saved progress.
Try next: Choose a skill you are ready for, practise it, and solve one everyday example.
Open 3rd-grade math ↗
MathGrade 6 entry
Khan Academy
Connect ratios, numbers and patterns
Move into ratios, rates, negative numbers, expressions, geometry and statistics.
- Format
- Course + practice
- Access
- Free lessons; account for saved progress.
Try next: Try a course skill check and use the results to choose your next lesson.
Open 6th-grade math ↗
MathAfter pre-algebra
Khan Academy
Think in equations and functions
An Algebra 1 path through equations, graphs, systems, exponents and quadratics. Choose by readiness.
- Format
- Course + practice
- Access
- Free lessons; account for saved progress.
Try next: Explain an equation using a graph, words and a worked example.
Open Algebra 1 ↗
LiteracyK–5 starter path
Core Knowledge Foundation
Read, write, listen and speak
Sequential language arts materials with readers, teacher guides, activities and assessments.
- Format
- Lesson collections + printables
- Access
- Free downloads; review each resource’s use terms.
Try next: Choose a grade and follow a teacher-guided reading lesson with a short written response.
Open Language Arts ↗
LiteracyGrades 3–12
CommonLit
Read closely. Support your ideas.
Grade-filtered fiction and nonfiction, paired texts and questions for discussion and comprehension.
- Format
- Text library + questions
- Access
- Free account for classroom tools and full library access.
Try next: Choose one text, discuss its central idea, and support a response with evidence.
Open the CommonLit library ↗
ScienceGrades 3–5
NASA Space Place
Explore our solar system
Upper-elementary space explanations, videos, games and activities for curious learners.
- Format
- Articles + videos + activities
- Access
- Open access; an adult can help choose an activity.
Try next: Pick a question about space, make a prediction, then draw or build an explanation.
Explore NASA’s solar system ↗
ScienceElementary–high school
PhET · University of Colorado Boulder
Test an idea in a simulation
Explore physics, chemistry, biology, earth science and math through interactive models and teaching activities.
- Format
- Simulations + lesson activities
- Access
- Free simulations; sign-in for some teaching materials.
Try next: Choose the right grade filter, change one variable, and record what happens.
Find PhET learning activities ↗
ScienceGrades 9–12
Khan Academy
Connect cells to ecosystems
High-school biology covering cells, genetics, ecosystems and evolution, with NGSS-aligned practice.
- Format
- Course + videos + practice
- Access
- Free lessons; account for saved progress.
Try next: Study one system and explain how changing one part could affect the whole.
Open high-school biology ↗
Social studiesK–8
Core Knowledge Foundation
Find your place in history
Grade-by-grade world and American history and geography, with readers, lesson plans and activities.
- Format
- Curriculum units + printables
- Access
- Free downloads; review each resource’s use terms.
Try next: Choose a grade-level unit and place its events on a map and a timeline.
Open History & Geography ↗
Social studiesK–12 · teacher-selected
Library of Congress
Investigate the original evidence
Topic collections of photographs, documents and other primary sources with teaching support.
- Format
- Primary source collections
- Access
- Open access; select sources for the learner’s age.
Try next: Compare two sources. Notice what each shows, what it leaves out, and who created it.
Explore primary source sets ↗
ArtsK–12
National Gallery of Art
Look closely. Make something.
Grade-filtered classroom activities, teaching packets and videos for observing, discussing and creating art.
- Format
- Art lessons + activities
- Access
- Open access; filter by grade, format and language.
Try next: Describe an artwork before interpreting it, then make a piece using one idea you noticed.
Find National Gallery lessons ↗
Arts + historyK–12 · teacher-selected
National Gallery of Art
Explore America through art
Thematic art and history modules with context, questions and classroom activities.
- Format
- Thematic lesson collection
- Access
- Open access; an adult selects an appropriate module.
Try next: Use an artwork and a historical source to compare two views of the same theme.
Open Uncovering America ↗
EconomicsGrades 6–8
Federal Reserve Education
Discover why people trade
A Yen to Trade introduces money, specialization, scarcity and opportunity cost through ten active lessons.
- Format
- Curriculum + group activities
- Access
- Free curriculum; teacher account for some tools.
Try next: Simulate a simple trade, then explain why both people might choose it.
Open A Yen to Trade ↗
EconomicsGrades 9–12
Federal Reserve Education
Consider the choice you give up
There Is No Such Thing as a Free Lunch introduces scarcity, choice and opportunity cost.
- Format
- Video + transcript + questions
- Access
- Free video and transcript; account for teacher tools.
Try next: Name an everyday choice and identify the best alternative you gave up.
Open the Free Lunch lesson ↗
Media literacyK–12
Common Sense Education
Build thoughtful online habits
Grade-sequenced lessons on privacy, relationships, credible information and digital wellbeing.
- Format
- Lesson collections
- Access
- Free lessons; educator sign-in may be requested.
Try next: Choose a grade-level lesson and agree on one online habit to practise together.
Open Digital Citizenship ↗
Media literacySuggested grades 6–12
Digital Inquiry Group
Check the source beyond the page
A Little of Everything introduces source ownership, evidence, lateral reading and corroboration.
- Format
- Six-lesson sequence
- Access
- Free educator account required for materials.
Try next: Investigate who is behind a claim and compare what independent sources report.
Open Civic Online Reasoning ↗
Links and descriptions reviewed in October 2026. Providers may change their materials or access requirements. Links open on the provider’s site; RS Street does not host these videos or imply a partnership with the providers. Suggest a correction or a resource.