She directed several wide scope national professional development projects for secondary mathematics teachers, and teaches undergraduate and graduate courses for prospective and practicing mathematics teachers. Her main research and development projects include: The Interplay between Teachers' Use of Instructional Examples in Mathematics and Students' Learning (3-year study funded by the Israel Science Foundation); and a 5-year national program for promoting excellence and motivating and advancing the potential of high achieving students in learning mathematics (the program focuses on the preparation of secondary teachers to meet these goals).