Two parallel tangents to a circle Whiteboard exercise Play

Types of bond Whiteboard exercise Play

Types of bonding Class activity Play

Types of bonding Whiteboard presentation Play

Types of equations Whiteboard exercise Play

Typical problems with quadratic equations Student activity Play

Typical problems with quadratic equations Whiteboard exercise Play

Unit vectors in a vector equation of a line Animation Play

Units of the equilibrium constant Whiteboard exercise Play

Units of the equilibrium constant Kc Student activity Play

Use of intersection points Student activity Play

Use of intersection points Whiteboard exercise Play

Using a trick Animation Play

Using a trick in finding roots Whiteboard exercise Play

Using a trick in finding roots Student activity Play

Using Hess's law Whiteboard exercise Play

Using Hess's law Student activity Play

Using linear equations to solve practical problems Student activity Play

Using mean bond enthalpies in calculations Chart Play

Using mean bond enthalpies in calculations. Part 2 Student activity Play

Using systems of inequalities to solve quadratic equations with a parameter Student activity Play

Using tangent theorems Whiteboard exercise Play

Using tangent theorems Student activity Play

Using the calculator to solve trigonometric equations Animation Play

Using the discriminant to solve a quadratic equation Whiteboard exercise Play