The blocks Whiteboard exercise Play

The definition of a geometric sequence Student activity Play

The diagram of an arithmetic progression Student activity Play

The diagram of an arithmetic progression Whiteboard exercise Play

The discriminant of a quadratic equation Student activity Play

The distance formula in 3-dimensional space Whiteboard exercise Play

The experiments with the arithmetic progression Chart Play

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

The expression for the nth term Class activity Play

The expression for the nth term Whiteboard presentation Play

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

The falling ball Animation 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 Student activity Play

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

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

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

The free energy change Whiteboard exercise Play

The free energy change Chart Play

The frequency of free oscillation Whiteboard exercise Play

The frequency of free oscillation Student activity Play

The general rule for the sequence Whiteboard exercise Play

The height of the building Whiteboard exercise Play