It's all relative: key ideas and common misconceptions about ratio and proportion, grades 6-7
Auteur :
Collins, Anne / Dacey, Linda
Éditeur :
Taylor & Francis Inc
ISBN :
9781571109828
Date de publication :
11 mars 2014
Dimensions :
28,0 x 21,6 cm
Poids :
331 g
Langue :
Anglais
Pays d'origine :
USA
For years, students have been taught to cross multiply when presented with proportion problems. Few understood what they were doing or why they were doing it.