Social studies materials for 4th graders. One year's worth (including spring, summer, and winter courses). - Title: Sonooscope - Publisher: SAPIX - Grade: 4th Grade - Subject: Social Studies Thank you for viewing. These are SAPIX social studies materials. Numbers 44001 to 44019 are from the 2021 academic year, and 44020 onwards are from the 2023 academic year. There are writings and markings. Pages for the daily check of 44002 and 44003 are missing. Thank you for your understanding.