Your RIGHT answer
is on trial!
Right answers are great. Let's check your reason too! Tell us why — and a surprise witness checks whether your reason really holds up.
or start from
Your secret court name
…
So the court remembers you. We never ask your real name.
- 1Give your answer and say why.
- 2The Prosecutor and Defence argue about your reason.
- 3A surprise witness: new questions only your real thinking can answer.
- 4Verdict. A sneaky idea caught is a win — now you know it.
Bring your homework to court
— or type it —
Read out the question, your answer, and why.
Chapter check-up
A few quick questions on one chapter. If a sneaky idea is hiding in your thinking, the court finds it before a test does.
Which answer goes on trial?
Story cases
The Law Library
Your textbook is the court's law book. Pick a book, a chapter, then an exercise.
➕ Teachers: add your class's textbook (PDF)
Only children in your class see it (they type your class code on the home screen). It is never shared.
The hearing
Your first try (before you objected)
About Why Court
Why Court is advisory: a teacher approves every finding. No names are stored.
Sample book content is based on IM® K–12 Math by Illustrative Mathematics, used under CC BY 4.0.