Browse by grade band
Grades 9-12 lesson plans
4 free lesson plans for grades 9-12 so far, across reading and writing, math, science, and social studies. Each one lists its objectives, the minutes it takes, and the public standard it aligns to.
Reading & writing · Grades 9-12 · 55 minutes
Citing evidence in an argument essay
Students draft a short argument paragraph on a low-stakes topic, then trade papers to check that every claim is backed by a specific, quoted piece of evidence from a shared source packet.
Aligned to CCSS.ELA-LITERACY.RI.9-10.1
Math · Grades 9-12 · 50 minutes
Solving linear equations in one variable
Students solve a progression of linear equations with variables on both sides, including some with letter coefficients, and check each solution by substitution.
Aligned to CCSS.MATH.CONTENT.HSA-REI.B.3
Science · Grades 9-12 · 55 minutes
Modeling ecosystem carrying capacity
Students use a simple population data set to graph how a resource limit caps a species' population over time, then explain which factors set that ceiling.
Aligned to HS-LS2-1
Social studies · Grades 9-12 · 55 minutes
Evaluating historical context
Students read two short accounts of the same historical decision written in different decades, identify what circumstances of the writer's own time may have shaped each account, and discuss how context changes interpretation.
Aligned to D2.His.1.9-12