Using graphs (1) Class activity Play

Using graphs (1) Whiteboard presentation Play

Using graphs (2) Class activity Play

Using graphs (2) Whiteboard presentation Play

Using systems of inequalities Whiteboard exercise Play

Using systems of inequalities Whiteboard exercise Play

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

Using the factor form of the function in solving geometric problems Whiteboard exercise Play

Washing powder: Snow White Whiteboard exercise Play

Writing and solving the equation Student activity Play

Yoko's and Lena's number Whiteboard exercise Play

Yoko's number Whiteboard exercise Play