Similarity – solving problems Class activity Play

Solving problems Student activity Play

Squared spiral Animation Play

Structure of an earthworm – a typical annelid Slideshow Play

Sum of the angles in a cyclic quadrilateral Animation Play

Tangent to a circle Whiteboard exercise Play

Tangent to a circle Student activity Play

Tape-like creatures Student activity Play

Tapeworms' adaptation for parasitism Slideshow Play

The area of a segment Animation Play

The area of a segment Whiteboard exercise Play

The area of a segment Whiteboard exercise Play

The area of a segment Student activity Play

The area of a segment of a circle Student activity Play

The area of a segment of a circle Whiteboard exercise Play

The biggest possible area Animation Play

The camera Student activity Play

The camera Whiteboard exercise Play

The circle Class activity Play

The circle Whiteboard presentation Play

The distance between the images Animation Play

The length of the segment Whiteboard exercise Play

The life cycle of the tapeworm Slideshow Play

The line and the circle Student activity Play

The midpoint of a segment Student activity Play