I have provided two very useful and resourceful websites below. The first website provides an introduction on binary coding and how to teach it, it includes a; learning hook, learning map and outcomes, learning input, learning construction, learning demo and learning reflection. The second website provides classroom pintables, activities, and worksheets to make teaching binary coding easier.

https://www.teachstarter.com/au/teaching-resource-collection/binary-coding/

https://www.digitaltechnologieshub.edu.au/teachers/lesson-ideas/introduction-to-binary