Using the Integer Root Theorem Animation Play

Using the Pythagorean theorem in 3-dimensional space Student activity Play

Using the Pythagorean theorem in 3-dimensional space Whiteboard exercise Play

Using the Rational Root Theorem Student activity Play

Using the Rational Root Theorem Whiteboard exercise Play

Using the remainder theorem Student activity Play

Using the remainder theorem Whiteboard exercise Play

Volume of the pyramid Animation Play

When is a theorem false? Animation Play

When is a theorem false? The counterexample Student activity Play

When is a theorem true? Whiteboard exercise Play

When is a theorem true? The proof Student activity Play

Wrong steps in reasoning Student activity Play