Mr. Cadabra's Classroom

Learn math with Mr. Cadabra. Choose how you're signing in.

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I'm a student

Take a lesson, practice a problem you're stuck on, or check what you've mastered. You'll see your own work only.

Your student code

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I'm a parent

Follow one student. You'll see their progress, what they've mastered, and where to help next — read-only, so nothing you do can change their work.

Your student's student code

Have a family account (or want one)? Open the Family page →

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I'm a teacher

See every class you run — each student, unit by unit — and add students by their student code. New here? Enter the code you'd like to use and set up your first class.

Your teacher code

Have just a class code? Open a single class →

About codes. A student code opens that student's classroom, and only theirs; a parent sees only their own student; a teacher sees only the classes under their teacher code. Treat a student code like a house key — anyone holding it can open that door — so keep it in the family. Parent and teacher accounts sign in with a password.

New here? Learn about Mr. Cadabra's Classroom · Try a free lesson