Scratch

Let students write "bad" code to let them apply abstraction to working code.

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Use "and wait" blocks to use blocks that execute sequentially in Scratch.

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Add sound blocks to Scratch code to help students reason about sequencing.

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Use implicit then explicit variables to make creating new variables more intuitive.

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Misconception: Students often forget to include a FOREVER block around IF blocks in Scratch when programming games.

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Show students multiple examples of iteration in Scratch to help them understand and recognize more abstract programming patterns.

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Encourage students to make variables visible in Scratch to help them debug their code.

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Encourage students to make Scratch sprites smaller when making games in order to ease game play and make it more fun.

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Encourage students to break up their Scratch scripts into smaller chunks to help them test and debug their code.

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Let students solve problems the long, hard, intuitive way first to motivate the use of more advanced Scratch blocks that can help them solve problems in a shorter, faster, more flexible way.

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