Two questions to consider
Give an example - Fractions and decimals
Example of fractions board
Give an example - pedagogy
Area of a triangle example
Example of area of a triangle board
Give an example - flow (again!)
Other example of Give an example
Give an example - features
Give an example - challenge
Additional constraints - fractions
Additional constraints - flow
Additional constraints - flow
Additional constraints - sequences example
Additional constraints - averages example
Additional constrains - tips
Additional constraints - challenge
What if? - the awkward bit
The other what ifs for mean