Use similar triangles to explain why the slope m is the same between any two distinct points on a non-vertical line in the coordinate plane; derive the equation y = mx for a line through the origin and the equation y = mx + b for a line intercepting the vertical axis at b.
Formative Assessments
Formative Assessments
Deriving Lines – 1
Deriving Lines – 2
Slope Triangles
Virtual/Hands-on Manipulatives
Virtual/Hands-on Manipulatives
Desmos: Put the Point on the Line
Change Me To Real Text
Change Me To Real Text
Assessment Questions
Assessment Questions
Multi-Select
Table Item
Change Me To Real Text
Videos of Expert Instruction
Videos of Expert Instruction
Use Real Link and Title
Use Real Link and Title
Use Real Link and Title
Hook/Performance Tasks
Hook/Performance Tasks
Slopes Between Points on a Line