Content Misconceptions
Start teaching Scratch with blocks that run for a set amount of time to avoid the common misconception that blocks are executed simultaneously.
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Misconception: Students get frustrated when they try to point their character to the left and it ends up flipped upside down because they don’t understand how changing the direction a sprite faces works in Scratch.
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Misconception: Students often have off by 1 errors when working with loops, which can result from mixing up > and >= as well as forgetting that arrays start at index 0.
Share Misconception: Students often have off by 1 errors when working with loops, which can result from mixing up > and >= as well as forgetting that arrays start at index 0. with FacebookShare Misconception: Students often have off by 1 errors when working with loops, which can result from mixing up > and >= as well as forgetting that arrays start at index 0. with Twitter
Misconception: Students think the positioning of scripts within the script area in Scratch influences the order in which they are executed.
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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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