He sits in social studies and science classes that have been shortened to allow more time for reading and math instruction. (voices.washingtonpost.com)
For example, let's say that you created a lesson plan for social studies and science for the week, and your colleague created plans for language arts and math. (thoughtco.com)
They didn't throw those textbooks out but saw them as just one component of their total set of social studies and science curriculum materials. (ascd.org)