Pythagoras Ladders: Pythagorean Theorem Game for Grade 8

Set the ladder, reach the window: the Pythagorean theorem on the job.

Join a ladder crew racing to reach glowing windows. Work out how long a ladder must be, how high it reaches, and where to plant its foot, then lay planks across a coordinate grid and judge whether a ladder will fall short. Three levels move from whole-number triples to decimals and exact square roots.

Play Pythagoras Ladders

Free. No signup. About 6 minutes per round.

Artwork for the math game Pythagoras Ladders
Grade 8 Pythagorean theorem right triangles square roots distance on the coordinate plane Integers and Exponents Geometry

What kids practise

Pythagoras Ladders gives students repeated, low-pressure practice with Pythagorean theorem, right triangles, square roots, and distance on the coordinate plane. It is written for grade 8. Every question is generated fresh, so a replay is never the same, and a wrong answer shows the correct one so the round teaches as well as tests.

How it plays

Controls: Tap or click answer buttons, or press keys 1-4. On ladder-placement rounds use the Left and Right arrow keys (or tap the ground) to move the foot, then press Enter or the Place ladder button. P pauses, M mutes.

It works with a keyboard, a trackpad or a touch screen, so it runs on school Chromebooks, tablets and phones.

Standards

Common Core State Standards for Mathematics this game supports:

For teachers

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