Make your next
move count.

Build an equation you can see. Move one term across the line and watch its sign flip.

01LINEAR
EQUATIONS

01 / INPUT

Start with an equation

LOCAL PARSER

Linear equations only · one variable · use +, −, and =

TRY ONE

02 / BLOCK BOARD

VARIABLECONSTANT

LEFT SIDE

THE LINE=

RIGHT SIDE

Drag a block across the equals sign, or tap one to move it. EQUIVALENCE CHECKED

03 / KEEP GOINGEvery move stays balanced.One block across means one sign change.

GUIDED PATH

Keep moving terms to isolate the variable.

04 / ALGIE’S NUDGE

AI-STYLE GUIDANCE

READY WHEN YOU ARE

Get a small nudge before seeing the next move.