interviews with school administrators and mathematics department directors revealed that there are important differences in expectations between students at the end of elementary school (i.e., the 6th-grade level) and types of homework purpose (i.e., practice, extension). The current research only focuses on instructional purposes because the literature indicates that homework assignments with this purpose are more related to the content of achievement tests and, therefore, to students’ academic achievement (Cooper et al., 2006; Muhlenbruck, Cooper, Nye, & Lindsay, 2000) compared to noninstructional purposes (e.g., to promote communication between home and school). Furthermore,