This article looks at how the National Curriculum aims of problem solving, reasoning and fluency can be embedded in geometry, using NRICH tasks.
This article for teachers gives some food for thought when teaching ideas about area.
In this article for primary teachers, Fran describes her passion for paper folding as a springboard for mathematics.
In this article for teachers, Bernard gives an example of taking an initial activity and getting questions going that lead to other explorations.
This article for teachers explains why geoboards are such an invaluable resource and introduces several tasks which make use of them.