The expression for the nth term of the sequence Student activity Play

The expression for the nth term Whiteboard presentation Play

The expression for the nth term Class activity Play

The expression for the  nth term of the sequence Whiteboard exercise Play

The Fibonacci sequence Animation Play

The flowers in the vases Whiteboard exercise Play

The formula for the discriminant of a quadratic equation Animation Play

The formula for the nth term of a sequence Whiteboard exercise Play

The formula for the nth term of a sequence Student activity Play

The formula for the space diagonal of a cube Student activity Play

The formula for the space diagonal of a cube Whiteboard exercise Play

The general rule for the sequence Whiteboard exercise Play

The height of the building Whiteboard exercise Play

The hidden rule Whiteboard exercise Play

The hidden rule Student activity Play

The long term effects of alcohol Animation Play

The missing angle in a quadrilateral Whiteboard exercise Play

The missing angle in a triangle Whiteboard exercise Play

The missing angle of a quadrilateral Whiteboard exercise Play

The missing angles in special triangles Whiteboard exercise Play

The missing angles in the polygon Whiteboard exercise Play

The missing brackets Whiteboard exercise Play

The missing coordinates Whiteboard exercise Play

The missing decimal Whiteboard exercise Play

The missing degree measures Whiteboard exercise Play