This study investigates some students’ and teachers’ beliefs about the role of homework in mathematics in Sweden. By interviewing eight adolescent students and two experienced mathematics teachers the study discusses the role of homework in relation to learning, teaching, achievements, and relationship between students, teachers and parents. The results suggest that (a) students and teachers have similar beliefs and perspective on homework (b) students and teachers believe in the use of homework to increase mathematics test results (c) homework breeds relationship and communication between students, teachers, and parents (d) the quality and quantity of homework is essential, and that (e) well developed relationship between parents, students, and teachers is essential to create successful students who appreciate homework.