Public learning track
Linear Functions, Slope, and Proportionality
8th Grade · Math · Open Global Math
9 lessons
Goal
Graph linear equations, derive slope using similar triangles, interpret y-intercepts, and distinguish proportional from non-proportional linear relations.
Featured Diagrams
Using Similar Triangles to Understand Slope
9 lessons
0 of 9 done
- 1Using Similar Triangles to Understand SlopeUp nextStart
- 2Calculating Slope from Two PointsPremiumNot started yet
- 3Calculating Rate of Change from GraphsNot started yet
- 4Identifying y-Intercepts from Graphs of Linear FunctionsNot started yet
- 5Identifying x-Intercepts from Graphs of Linear FunctionsNot started yet
- 6Graphing Lines from Slope-Intercept FormNot started yet
- 7Identifying and Writing Direct Variation from GraphsNot started yet
- 8Distinguishing Proportional from Non-Proportional Using Graphs and EquationsNot started yet
- 9Comparing Graphs: Understanding Slope and InterceptsNot started yet
Curriculum Framework
8th Grade · Math · Open Global Math
1
10 lessons
Functions, Domain, Range, and Function Notation
Identify functions from mappings, tables, graphs, and ordered pairs, determine domain and range, and evaluate functions using function notation.
2
9 lessons
Linear Functions, Slope, and Proportionality
Graph linear equations, derive slope using similar triangles, interpret y-intercepts, and distinguish proportional from non-proportional linear relations.
3
8 lessons
Modeling and Comparing Linear Functions in Applied Contexts
Model applied and financial scenarios with linear equations and compare functional properties across tables, graphs, equations, and verbal descriptions.
4
8 lessons
Nonlinear Functions: Inverse Variation, Quadratics, and Qualitative Behavior
Explore inverse proportional functions, quadratic functions, and qualitative characteristics of polynomial and rational function families.
5
9 lessons
Coordinate Geometry in 2D and 3D: Distance, Bearings, and Shapes
Set up 2D and 3D coordinate systems to compute distances, specify navigation bearings, and model geometric shapes algebraically.