Linear Functions
These activities are designed for algebra students studying linear functions as tables, graphs, and equations.
Grades: 7th - 9th Grade
Describing Lines
Informal ideas help develop formal language for describing lines, such as increasing, decreasing, slope, quadrant, and intercept.
- Turtle Time Trials
- Polygraph: Lines
Writing Equations
Equations in slope-intercept form describe a line’s starting value and rate of change.
- Put the Point on the Line
- Match My Line
- Land the Plane
- Parallel Lines
Playing and Modeling With Lines
Being able to write equations increases our mathematical power and allows us to make predictions.
- Marbleslides: Lines
- LEGO Prices
Wrapping It Up
Reflecting on the structure of linear functions helps solidify our learning.
- Card Sort: Linear Functions
- Two Truths and a Lie: Lines