Does the function have a zero? Animation Play

Does zero in the denominator mean a vertical asymptote? Student activity Play

Does zero in the denominator mean a vertical asymptote? Whiteboard exercise Play

Drawing a graph of absolute value of the given function Whiteboard exercise Play

Effect of concentration on the reaction rate. Graphical methods Class activity Play

Effect of concentration on the reaction rate. Graphical methods Whiteboard presentation Play

Finding zeros of a function Student activity Play

Finding zeros of a function Whiteboard exercise Play

Finding zeros of a non-continuous function Whiteboard exercise Play

Focal length and the shape of a lens Whiteboard exercise Play

Focal length and the shape of a lens Student activity Play

Fractions and algebraic fractions Animation Play

Graph of an exponential function Student activity Play

Graph of the absolute value of the function Animation Play

Graphs of functions with absolute values of the argument Whiteboard exercise Play

Graphs of functions with absolute values of the argument Student activity Play

Graphs of trigonometric functions Class activity Play

Graphs of trigonometric functions Whiteboard presentation Play

Grouping intervals Whiteboard exercise Play

How to write very big and very small numbers Student activity Play

Intervals with a zero Whiteboard exercise Play

Is continuity of a function important? Student activity Play

Kelvin scale Animation Play

Looking for more zeros Student activity Play

Looking for zeros Whiteboard exercise Play