Forming a square from triangles Animation Play

Formula for the number of squares – a polygon Whiteboard exercise Play

Formulas Student activity Play

Frontal area Slideshow Play

Frontal area Student activity Play

Frontal area Whiteboard exercise Play

Functions with negative values Whiteboard exercise Play

Functions with negative values Student activity Play

Geometric problems Student activity Play

Getting the exact value Animation Play

Global extrema in an interval [a, b] Whiteboard exercise Play

Global extrema in an interval  [a, b] Student activity Play

Global maximum Whiteboard exercise Play

Going further with the trapezium rule Student activity Play

Graphical method Animation Play

Graphical presentation of completing the square Animation Play

Harry's lawn Whiteboard exercise Play

Heron's formula Animation Play

Heron's formula for the equilateral triangle Whiteboard exercise Play

Heron's formula for the triangle Student activity Play

Heron's formula for the triangle Whiteboard exercise Play

High-heeled shoes Illustration Play

How much bigger? Animation Play

How much time is needed? Student activity Play

How temperature affects reaction rates Student activity Play