Balance

A family of tools that share one engine and grow with students across grades.

4 tools

A seesaw takes piles of cartoon snacks; whichever side has more tips down, and kids predict which way...

A balance scale with numbers on both sides; find the missing weight so it levels. Kills the "equals means...

Mystery bags on a balance; remove the same weight from both sides to find what's inside.

Solve equations in as few legal moves as possible; par scores reward elegant solutions.