A line going through two points Animation Play

A line in 3-D going through two points Simulation Play

A line passing through two points Simulation Play

A triangle cut into two right-angled triangles Whiteboard exercise Play

Absolute values of entropy Whiteboard exercise Play

Absolute values of entropy Student activity Play

Alcohols with two or more hydroxyl groups Animation Play

Alcohols with two or more hydroxyl groups Whiteboard exercise Play

Alcohols with two or more hydroxyl groups Student activity Play

Amino acid at various pH values Slideshow Play

An equation with two variables Whiteboard exercise Play

An equation with two variables Student activity Play

Angle between two vectors Student activity Play

Angle between two vectors Whiteboard exercise Play

Angle between two vectors – acute, obtuse and right Whiteboard exercise Play

Angle between two vectors – acute, obtuse and right Student activity Play

Applying the chain rule for more than two functions Whiteboard exercise Play

Applying the chain rule for more than two functions Whiteboard exercise Play

Applying the chain rule for more than two functions Whiteboard exercise Play

Approximate values of the cosine function Simulation Play

Approximating square root of two Whiteboard exercise Play

Approximation of the area under a curve Whiteboard presentation Play

Approximations of values of rational functions Animation Play

Approximations of values of rational functions Student activity Play

Are the two triangles similar? Animation Play