One concept that does need to be explicitly taught is broadcast and receive blocks. I’ve had difficulty getting students to buy into the use of broadcast and receive blocks over “wait” blocks. My hunch is that they’re difficult to understand because of the lack of a visual reaction on the Scratch stage. Unplugged activities to the rescue!
Inspired by my students, research proposing that meaningful work could help close the gender gap in tech, and my hope that students might see themselves in their work, I revamped my sixth grade curriculum to be framed around computer science for social good. Here’s my lesson plan for day 1 of class.