Mathematics
- Algebra I →Suggested: Grades 9–10
- Geometry →Suggested: Grades 9–11
- Algebra II →Suggested: Grades 10–12
- Precalculus and Trigonometry →Suggested: Grades 11–12
- Statistics and Probability →Suggested: Grades 10–12
High School Curriculum Explorer · Grades 9–12
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See what a course builds on, follow a suggested unit path and practice a useful skill. For students, families, homeschoolers, tutors and teachers.
138 original mini-lessons with video choices23 courses9 subject areas
Suggested pathways · Selected standards contributions · No calculus
A starter map, with no accreditation or graduation credit.
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Each course has six lessons in three suggested units. Grade ranges guide placement; they are not universal requirements.
English language arts
- English 9 →Suggested: Grade 9
- English 10 →Suggested: Grade 10
- English 11 →Suggested: Grade 11
- English 12 →Suggested: Grade 12
Science
- Biology →Suggested: Grades 9–10
- Chemistry →Suggested: Grades 10–11
- Physics — Algebra and Trigonometry →Suggested: Grades 11–12
- Earth and Environmental Science →Suggested: Grades 9–12
Social studies
- World History →Suggested: Grades 9–10
- United States History →Suggested: Grades 10–11
- Civics and Government →Suggested: Grades 11–12
- Economics and Personal Finance →Suggested: Grades 11–12
Visual arts
- Visual Arts →Suggested: Grades 9–12
Music
- Music →Suggested: Grades 9–12
Health and physical education
- Health and Physical Education →Suggested: Grades 9–12
Computer science and digital literacy
- Computer Science and Digital Literacy →Suggested: Grades 9–12
World languages
- Spanish I →Suggested: Grades 9–12
- Spanish II →Suggested: Grades 10–12
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2 matching lessons
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English 10
Suggested grade 10 · Unit 3: Composing and Discussing
Develop a Fair Counterclaim
Write an argument that answers an alternative fairly rather than weakening it.
▷ 2 teacher video choices: Develop a Fair CounterclaimPreview lesson: Develop a Fair Counterclaim
Goal: Develop a claim and counterclaim with evidence and identify a limitation of each.
Before this: State a precise claim and support it with evidence.
Try together: Together revise “Only lazy students want shorter sessions” into a fair access-based counterclaim.
Subject-content contributionW.9-10.1.bGrades 9–10
35 minutes
English 10
Suggested grade 10 · Unit 3: Composing and Discussing
Use Discussion to Qualify a View
Compare priorities in a decision while preserving disagreement honestly.
▷ 2 teacher video choices: Use Discussion to Qualify a ViewPreview lesson: Use Discussion to Qualify a View
Goal: Summarize agreement and disagreement after a prepared conversation and justify a qualified conclusion.
Before this: Prepare evidence notes and summarize another person’s position accurately.
Try together: Practice paraphrasing “I need enough uninterrupted time” without turning it into “You do not care about other groups.”
Subject-content contributionSL.9-10.1.dGrades 9–10
Earlier high school starter lessons with teacher video choices →