Geometric problems Student activity Play

Geometric problems Student activity Play

Graphical presentation of completing the square Animation Play

Harry's formula Animation Play

Harry's lawn Whiteboard exercise Play

How do we construct a rectangle? Animation Play

How do we draw a rectangle in LOGO? Animation Play

How much bigger? Animation Play

How much do you charge for painting the room? Student activity Play

How much for the painting? Animation Play

How to find a square root Animation Play

How to get a nonagon from a square? Whiteboard exercise Play

Imperial units of area Student activity Play

Imperial units of area Animation Play

Imperial units of length Student activity Play

Impossible constructions Animation Play

Inscribed circles, circumscribed polygons Student activity Play

Inscribing a square into a circle Whiteboard exercise Play

Inverse square proportion Whiteboard exercise Play

Inverse square proportion Student activity Play

Irrational numbers Whiteboard exercise Play

Is a practical demonstration reliable? Student activity Play

Is it a square? Whiteboard exercise Play

Is it a square? Student activity Play

John's lawn Whiteboard exercise Play