: Mapping the "big ideas" and strategies children use as they grapple with rational numbers.
The book you're looking for is authored by Catherine Twomey Fosnot and Maarten Dolk . Young Mathematicians at Work: Constructing Frac...
designing for deep mathematical understanding - ResearchGate : Mapping the "big ideas" and strategies children
You can find more details or a copy of the book through the Heinemann publisher page or educational repositories like ResearchGate . Young Mathematicians at Work: Constructing Frac...
: Using "real-world" scenarios to encourage students to construct their own understanding rather than just memorizing procedures.