Equations of Parallel & Perpendicular Lines (Day 3)

Lesson Prep

Lesson Details

• Duration: 50 minutes

• Learning Goal: Build procedural fluency with writing equations of parallel & perpendicular lines and stay fresh with other concepts from the year.

Prework

• Watch this video which includes a breakdown of the Partner A Partner B format.

• Watch the embedded video above to see how we use formative assessment

Answer Keys

• Link to Answer Keys

Classwork

• Estimation – Moselle Vineyards

• Practice (Partner A Partner B)

• Ungraded Formative Assessment / Spiraling

Standards

Common Core

• HSG.GPE.B.5 – Prove the slope criteria for parallel and perpendicular lines and use them to solve geometric problems (e.g., find the equation of a line parallel or perpendicular to a given line that passes through a given point).

TEKS

• G.2(C) – determine an equation of a line parallel or perpendicular to a given line that passes through a given point