The phrase "homework activity" means a task or project that a student must complete at home for school. It refers to work that needs to be done outside of the regular school hours. Full definition
It includes an array of homework activities that review academic vocabulary related to writing, reading comprehension, book reviews, and quick writes. (tes.com)
Family homework activities designed to increase family communication about sexual issues can delay sex among early adolescents and contribute to school - based sex education programs. (wcwonline.org)
A flipped class swaps explanation and lecture, which are usually given in the classroom, with homework activities like math problem sets or writing practice activities. (learning.blogs.nytimes.com)