Traditional methods of preserving foods Student activity Play

Typical problems with quadratic equations Student activity Play

Typical problems with quadratic equations Whiteboard exercise Play

Using a bisection method Whiteboard exercise Play

Using a bisection method Student activity Play

Using Hess's law Student activity Play

Using Newton's method Whiteboard exercise Play

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

Using the discriminant to solve a quadratic equation Whiteboard exercise Play

Using the integration by substitution method Whiteboard exercise Play

Using the least squares method Animation Play

Using the secant method Whiteboard exercise Play

Written methods Whiteboard presentation Play

Written methods Class activity Play

X-rays Whiteboard exercise Play