Ten screen-free worksheets that teach the foundational concepts of computer science — sequencing, algorithms, loops, conditionals, debugging — without any technology. Perfect for primary classrooms where Chromebooks are scarce or screen time is limited. What's included:• Morning routine sequencing puzzle • Robot path / algorithm grid • If-then logic matching • Loop-the-dance activity • Debug the sandwich recipe • Pattern loops (visual) • Sort the code (paper airplane steps) • Color by conditiona