Misconception: Students often forget to include a FOREVER block around IF blocks in Scratch when programming games.
Show students multiple examples of iteration in Scratch to help them understand and recognize more abstract programming patterns.
Encourage students to make Scratch sprites smaller when making games in order to ease game play and make it more fun.
Encourage students to break up their Scratch scripts into smaller chunks to help them test and debug their code.
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.