About Equality Explorer: Two Variables
Explore what it means for a mathematical statement to be balanced or unbalanced by interacting with integers and variables on a balance. Find multiple ways to balance x and y to build a system of equations.
How to play Equality Explorer: Two Variables
Everything is hands-on: drag, click and experiment — the simulation reacts instantly. Explore what it means for a mathematical statement to be balanced or unbalanced by interacting with integers and variables on a balance.
Questions & answers
- What is Equality Explorer: Two Variables?
- Equality Explorer: Two Variables 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 what it means for a mathematical statement to be balanced or unbalanced by interacting with integers and variables on a balance. Find multiple ways to balance x and y to build a system of equations.
- What can kids learn from Equality Explorer: Two Variables?
- It helps kids explore: solve and manipulate algebraic equations by substituting different values for a variable use a balance model to solve an equation for an unknown, and justify your strategies for solving build a system of equations determine the solution set of a system of equations.
- What age is Equality Explorer: Two Variables good for?
- It is designed for middle school (roughly ages 10–14) up to high school, and curious kids outside that range can absolutely enjoy poking around it too.
- Is Equality Explorer: Two Variables free to play?
- Yes — Equality Explorer: Two Variables is completely free on crumble.lol and runs fully in your browser on computers and tablets.