High School Curriculum Explorer · Grades 9–12

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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.

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30 minutes

World History

Suggested grades 9–10 · Unit 1: Networks and Historical Inquiry

Distinguish Sequence from Historical Cause

Analyze an explicitly fictional port dossier to separate temporal order from causal explanation.

▷ 2 teacher video choices: Distinguish Sequence from Historical Cause
Preview lesson: Distinguish Sequence from Historical Cause

Goal: Build a timeline and evaluate whether two proposed causes are supported by the supplied sources.

Before this: Order events on a timeline; distinguish a source from an inference.

Try together: Together evaluate “Year 4 must have caused Year 5 because it came first.” Identify the missing reasoning.

Supporting literacy connectionRH.9-10.3Grades 9–10
Subject-content alignment not yet verified
Open lesson →: Distinguish Sequence from Historical Cause
30 minutes

World History

Suggested grades 9–10 · Unit 1: Networks and Historical Inquiry

Model Exchange across Silk Roads Networks

Connect a historical overview with a simplified route model without mistaking the model for a real map.

▷ 2 teacher video choices: Model Exchange across Silk Roads Networks
Preview lesson: Model Exchange across Silk Roads Networks

Goal: Integrate a network diagram and secondary-source summary to explain two kinds of exchange and one model limitation.

Before this: Read a simple network diagram and evaluate the scope of a claim.

Try together: Discuss why “One road carried only silk directly from one endpoint to another” conflicts with the overview.

Supporting literacy connectionRH.9-10.7Grades 9–10
Subject-content alignment not yet verified
Open lesson →: Model Exchange across Silk Roads Networks
30 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 Roles
Preview 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 verified
Open lesson →: Compare Industrialization through Different Roles
30 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 Explanation
Preview 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 verified
Open lesson →: Evaluate an Imperialism Explanation
30 minutes

World History

Suggested grades 9–10 · Unit 3: Conflict and International Institutions

Separate a Trigger from Conditions for War

Use a short World War I timeline without treating order as a complete explanation.

▷ 2 teacher video choices: Separate a Trigger from Conditions for War
Preview lesson: Separate a Trigger from Conditions for War

Goal: Distinguish trigger, prior condition and later event, then evaluate an overly simple causal account.

Before this: Read a timeline and evaluate multi-causal explanations.

Try together: Together explain why Germany’s August invasion cannot be the cause of the earlier June assassination in this proposed sequence.

Supporting literacy connectionRH.9-10.3Grades 9–10
Subject-content alignment not yet verified
Open lesson →: Separate a Trigger from Conditions for War
30 minutes

World History

Suggested grades 9–10 · Unit 3: Conflict and International Institutions

Read an Institution’s Founding Purpose Critically

Summarize the creation of the United Nations while distinguishing aspiration from historical evaluation.

▷ 2 teacher video choices: Read an Institution’s Founding Purpose Critically
Preview lesson: Read an Institution’s Founding Purpose Critically

Goal: Write an accurate summary of two founding dates and explain what the founding account can and cannot demonstrate.

Before this: Distinguish an intended purpose from an observed result; summarize a source accurately.

Try together: Discuss whether knowing an organization’s goal is useful even when it does not establish success.

Supporting literacy connectionRH.9-10.2Grades 9–10
Subject-content alignment not yet verified
Open lesson →: Read an Institution’s Founding Purpose Critically

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