The San Francisco Unified School District (SFUSD) has a bold plan to teach each and every student computer science across all grade levels, Pre-K through 12. To achieve this goal at the elementary level, we have been exploring how classroom teachers can implement cross-curricular CS lessons that support learning goals in both content areas. In Fall 2018, SFUSD and the CS First (g.co/csfirst) team at Google worked together to use the CS First Storytelling theme to support 4th and 5th...