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Displaying 21 - 40 of 1129
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Keep a bag of “survival tricks” on hand that will keep students interested and motivated.
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Misconception: Students think that it’s possible to write methods that add attributes to a Java class.
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Misconception: Students believe that methods in different classes cannot have the same name.
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Misconception: Students believe that boolean values can only be used in conditionals.
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Misconception: Students create a new object when they only need to copy a reference.
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Teach students to storyboard in Alice so they know a systematic process to follow when approaching challenging problems.
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Misconception: Students create a new instance variable when they only need a local variable.
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Misconception: Students have trouble understanding the difference between the “glide” and “go to” blocks in Scratch.
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Misconception: Students think that when they create a new variable within a function, that function will automatically return that variable’s value when executed.
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Misconception: Students think that “return x*x” changes the value of x to be x*x.
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Have students practice creating an infographic as an option for the Visual Artifact component of the CSP Performance Task: Explore.
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Use metaphors and analogies to describe how concepts work in a memorable way.
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Misconception: Students believe that when they assign a = b, they are copying b into a rather than making a point to b.
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Misconceptions: Students have difficulty distinguishing between the Broadcast and Say blocks in Scratch.
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Misconception: Student think costumes are outfits rather than the overall appearance of a sprite in Scratch.
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Have students play the Gidget debugging game for practice debugging in an engaging environment.
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Teach students how the xy-coordinate system works before having them use motion blocks in Scratch so they don’t get confused by positive and negative numbers.
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Introduce young students to degrees, decimals, and percentages so that they can use turn and sound blocks in Scratch.
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Misconception: Students have trouble understanding that when the value of a variable is reassigned its previous value is irrelevant.
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