"matematik" . . "MATHEMATICS Pre-Calculus." . . . . . . . . "Problem Posing : Reflections and Applications" . . . "Problem Posing Reflections and Applications"@en . "Problem posing : reflections and applications" . "Problem posing : reflections and applications"@en . . . . . . . . . . "Electronic books"@en . . . . "Electronic books" . . . . . . . . . "As a result of the editors' collaborative teaching at Harvard in the late 1960s, they produced a ground-breaking work -- The Art Of Problem Posing -- which related problem posing strategies to the already popular activity of problem solving. It took the concept of problem posing and created strategies for engaging in that activity as a central theme in mathematics education. Based in part upon that work and also upon a number of articles by its authors, other members of the mathematics education community began to apply and expand upon their ideas. This collection of thirty re."@en . . "Problem solving." . . "problemløsning" . . "Mathematics Study and teaching." . . "Matemática (estudo e ensino)" . . "Problemlösen." . . "MATHEMATICS Reference." . . "Mathematikunterricht." . . "MATHEMATICS Essays." . .