If you are looking for a digital version, it is best to check:
: A core part of the 2nd-grade syllabus is understanding "order of actions." Students learn to follow and create simple linear algorithms (step-by-step instructions). skachat besplatno uchebnik informatika 2 klass benenson
Can be quite abstract for some children without teacher guidance. If you are looking for a digital version,
: It introduces the concept of a "model" (e.g., a map, a drawing, or a scheme) and how it represents a real-world object. skachat besplatno uchebnik informatika 2 klass benenson
Works well as a foundation for programming (Scratch, etc.) in later years. :
: Basics of how information can be represented in different forms (text, images, sounds).