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
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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
Clear filters30 minutes
World History
Suggested grades 9–10 · Unit 2: Industry and Imperial Power
Compare Industrialization through Different Roles
Compare two invented accounts situated in the broader history of mechanized production.
▷ 2 teacher video choices: Compare Industrialization through Different RolesPreview lesson: Compare Industrialization through Different Roles
Goal: Explain how role shapes emphasis in two accounts and identify evidence needed to test both.
Before this: Compare source perspective and separate an illustrative model from an authentic quotation.
Try together: Together evaluate whether a production increase disproves the worker’s account.
Supporting literacy connectionRH.9-10.6Grades 9–10
Subject-content alignment not yet verified30 minutes
World History
Suggested grades 9–10 · Unit 2: Industry and Imperial Power
Evaluate an Imperialism Explanation
Evaluate a narrow economic explanation without erasing coercion or resistance.
▷ 2 teacher video choices: Evaluate an Imperialism ExplanationPreview lesson: Evaluate an Imperialism Explanation
Goal: Identify a claim’s useful contribution, two omissions and a more complete research question.
Before this: Distinguish a motive, a means and a consequence in an explanation.
Try together: Discuss the difference between explaining a stated motive and endorsing the action it motivated.
Supporting literacy connectionRH.9-10.8Grades 9–10
Subject-content alignment not yet verifiedEarlier high school starter lessons with teacher video choices →