Integrated language arts and science & technology (ILS&T) instruction can make learning more meaningful and improve student learning outcomes for both subjects. Although the literature has stressed that such integrated instruction presents pedagogical challenges for elementary school teachers, little is yet known about the specific…

The New Zealand Numeracy Development Project is an example of a professional learning and development initiative that has been progressively scaled up across a system to improve teacher knowledge and practice and student outcomes in mathematics. This paper examines two elements of the project's design that have been pivotal in enabling teachers to…