This sequence of tasks, part of our feature The Problem-solving Classroom, offers an approach to teaching mathematics that exemplifies a model of 'exporation, codification, consolidation' (Ruthven, 1989). For more information, please see the article included in the above feature.
problem
Domino sets
Age
7 to 11
Challenge level
How do you know if your set of dominoes is complete?
problem
Amy's Dominoes
Age
7 to 11
Challenge level
Amy has a box containing domino pieces but she does not think it is a complete set. Which of her domino pieces are missing?