You have now had all four lessons of the systems sub-unit. Some of you missed one or more of them, and most of you have tasks you did not finish. This lesson is for catching up before the sub-unit review. By the end, every lesson should be finished and corrected, its flashcards should be done, and you should know exactly which parts of the sub-unit you are still unsure of.
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Start here. Duplicate this page and work on your copy. Then work through the three steps in order.
Each statement below is one thing you should be able to do after this sub-unit, with the example you met in the lesson. Click the Traffic light cell and choose one. Be honest: nobody else sees your copy, and a green you have not earned only hides the thing you most need to fix.
Use the What I'm unsure about column to write the exact bit that is stopping you. "Feedback" is not enough; "I don't know where the loop should end" is.
When you have rated everything, open the My reds tab. That is your to-do list for Step 2.
Work on your own copy of each lesson. If you missed a lesson and have no copy, open it from the link below and duplicate it first. Start with the lessons where you have the most reds, then work through the ambers.
For every lesson, the last two boxes are the same. Checked means you have opened every Check your answer toggle and corrected your work in a different colour. Flashcards means you have done the lesson's active-recall set on Revise, using the bookmark at the bottom of the lesson.