K2 - K5. Let's play - Game on! Identify! CSTA 1A-CS-02. Hardware or Software? Match up! CSTA 1A-CS-01. Pick the right software Riddle fun! CSTA 1A-AP-08. Algorithms Create a PC CSTA 1C Computing Systems Hop Scorer CSTA 1B-CS-01. Computing systems. Secrets!! CSTA 1A-NI-04. Password protection. Activities - Let's go! Software Tools File Explorer ScratchProgramming