I am currently looking for what book to use/adapt for the 2019-2020 school year for students Grade 2 to 8 ICGSE or CBSE or other pattern.
closed as unclear what you're asking by Gypsy Spellweaver, ItamarG3, TuringTux, Sean Houlihane, ctrl-alt-delor Feb 9 at 17:32
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Since you are asking about a wide range of ages, let me suggest that no single book is likely to do the job for you.
Instead, let me suggest a web site CS Unplugged which uses non computer resources to teach simple concepts of CS, including Computational Thinking.
The main idea is that many things, including toys, can give youngsters appropriate metaphors that will bring them to a mindset that helps them later learn things more formally.
You can also do an online search for Computational Thinking, which will reveal a large number of resources, some (not all) of which will be appropriate for you.
I wouldn't try at this level, to focus very much on computer programming, though Scratch is directed at youngsters.