Colin's public data
Questions pupils ask: What counts as a random number?
Doing it with understanding
Lesson study in mathematics initial teacher education in England
Lesson study partnerships in initial teacher education
Questions pupils ask: Why can’t it be distance plus time?
The fundamental problem with teaching problem solving
Formative assessment lessons
Editorial [International Journal of Mathematical Education in Science and Technology]
Two-dice horse race
The definition of the scalar product: an analysis and critique of a classroom episode
Professional learning through the collaborative design of problem-solving lessons
Developing mathematical fluency: comparing exercises and rich tasks
Mathematics teacher professional journals: what topics appear and how has this changed over time?
Five decades of mathematics education research
Teachers’ appraisals of adjectives relating to mathematics tasks