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
See what a course builds on, follow a suggested unit path and practice a useful skill. For students, families, homeschoolers, tutors and teachers.
Suggested pathways · Selected standards contributions · No calculus
A starter map, with no accreditation or graduation credit.
Connect the ideas.
Explain the reasoning.
Subject → Course → Unit → Lesson
Each course has six lessons in three suggested units. Grade ranges guide placement; they are not universal requirements.
Focus on one useful skill
Spanish II
Suggested grades 10–12 · Unit 1: Negotiate and Interpret Details
Use a hidden availability card to propose, clarify and confirm a workable plan.
▷ 3 teacher video choices: Negotiate a Meeting PlanGoal: Complete a six-turn exchange that resolves a scheduling conflict and confirms agreed details.
Before this: Use present-tense schedule phrases and ask for repetition.
Try together: Together test whether Thursday at four works for both cards and explain the conflict using the phrase bank.
Spanish II
Suggested grades 10–12 · Unit 1: Negotiate and Interpret Details
Separate an actual change from an unstated inference when reading related notices.
▷ 3 teacher video choices: Compare Two Event MessagesGoal: Compare two Spanish notices, identify three changes and explain what remains uncertain.
Before this: Interpret familiar schedule notices and negative statements.
Try together: Together identify the cause of the update and the evidence that admission remains free. Use Spanish words from B.
Spanish II
Suggested grades 10–12 · Unit 2: Past Events and Connected Messages
Track who did what and when using selected past-tense clues in an original account.
▷ 3 teacher video choices: Interpret a Short Past-Event AccountGoal: Sequence four events and distinguish an explicit cause from a reasonable but unstated inference.
Before this: Recognize familiar classroom verbs and the supplied past-tense bank.
Try together: Together make four event cards and place leaving after the reading/writing work. Identify the word that states why they left.
Spanish II
Suggested grades 10–12 · Unit 2: Past Events and Connected Messages
Organize a brief account with selected past-tense forms and a meaningful conclusion.
▷ 3 teacher video choices: Tell a Short Past ExperienceGoal: Present six connected sentences about a fictional event, including sequence, two actions, a reason and a reflection.
Before this: Use the supplied preterite forms and common sequence words.
Try together: Together create an opening and two action sentences from the facts. Decide where a sequence word would help a listener.
Spanish II
Suggested grades 10–12 · Unit 3: Explain, Clarify and Revise
Use questions and repair to resolve an ambiguous route in a fictional campus.
▷ 3 teacher video choices: Clarify Directions and a Practical NeedGoal: Complete an exchange that clarifies two route details and confirms the destination before giving directions.
Before this: Use familiar location phrases and ask for clarification.
Try together: Together identify the direction for the art room and formulate a question distinguishing it from the library.
Spanish II
Suggested grades 10–12 · Unit 3: Explain, Clarify and Revise
Use reasons and audience feedback to improve a connected Spanish message.
▷ 3 teacher video choices: Present and Revise a Club ProposalGoal: Present an eight-sentence proposal with two reasons, one tradeoff and a revision based on a peer question.
Before this: Connect familiar sentences using porque, pero and sequence phrases.
Try together: Together construct two reasons for the poster workshop, then add a sentence acknowledging its materials need.
Earlier high school starter lessons with teacher video choices →