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Today I had my 3rd class of Pre-Kindergarteners. I decided today I would approach the whole lesson as a series of questions. Rather than explain to the students what they would be doing (my first approach) or model what they would be doing (my second approach), I tried to encourage them to explore the tools and when I noticed students who were not using different colours I asked them: "Do you know how to change the colour of the lines?" If the answer was yes, I let them get on with it assuming they would change colour if they wanted to. If the answer was no I asked, "Do you want to know how to change the colour of the lines?", if the answer was no I let them continue in their own way, if the answer was yes I showed them how to do it. In the same way if I noticed students who were drawing lots of similar shapes I simply asked, "Do you know any other shapes?"