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Dear older friends of third-graders, teachers and parents!

We want our children to be successful together. Today, this is impossible without learning computer science. After all, it opens the door to the high-tech world, teaches them to make decisions, program actions and predict their results, create and develop using gadgets. This manual is the key to this door.

You may not think about which textbook and which Model Educational Programme is used to study the subject "I Explore the World" at school. After all, the task of this manual is to help each child confidently, systematically, consistently, cheerfully, with interest and benefit, step by step, make discoveries, study computer science and build their future.