About Graphing Lines
Explore the world of lines. Investigate the relationships between linear equations, slope, and graphs of lines. Challenge yourself in the line game!
How to play Graphing Lines
Everything is hands-on: drag, click and experiment — the simulation reacts instantly. Explore the world of lines.
Questions & answers
- What is Graphing Lines?
- Graphing Lines is a free interactive simulation from PhET Interactive Simulations (University of Colorado Boulder) that you can play right in your browser on crumble.lol — no downloads and no sign-up. Explore the world of lines. Investigate the relationships between linear equations, slope, and graphs of lines.
- What can kids learn from Graphing Lines?
- It helps kids explore: explain how the slope of a graphed line can be computed. graph a line given an equation in either slope-intercept or point-slope form. write an equation in slope-intercept or point-slope form given a graphed line. predict how changing variables in a linear equation will affect the graphed line.
- What age is Graphing Lines good for?
- It is designed for middle school (roughly ages 10–14) up to university, and curious kids outside that range can absolutely enjoy poking around it too.
- Is Graphing Lines free to play?
- Yes — Graphing Lines is completely free on crumble.lol and runs fully in your browser on computers and tablets.