Starter quiz
- Why is it helpful to make a design before starting your project?
- It helps you to record your ideas. ✓
- It helps you to work faster.
- It helps you to add more sprites.
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- An algorithm is ...
- a set of clear instructions. ✓
- a program.
- a sprite.
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- How do you make a sprite move faster?
- Place a speed block before the movement blocks. ✓
- Place a speed block after the movement blocks.
- Use more movement blocks.
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- What is the first thing you should do when starting a project?
- Make a design. ✓
- Choose a background.
- Start adding blocks.
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Exit quiz
- What is an error?
- a new sprite
- the undo button
- a mistake in a program ✓
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- How can you find errors in your program?
- Add more blocks.
- Test your program often. ✓
- Change the background.
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- What does the show block do?
- It deletes a sprite.
- It changes a sprite's size.
- It makes a sprite visible. ✓
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- What should you do if your program doesn't work?
- Test your program step by step. ✓
- Start from the beginning.
- Keep programming new ideas.
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Worksheet
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Presentation
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Video
Lesson Details
Key learning points
- An error is a mistake in a program.
- Programs should be regularly tested to check for errors so that they can be corrected.
- Show and hide blocks control if a sprite is visible.
Common misconception
Programs should only be tested when they are finished.
Programs should be tested often to check for mistakes. Fixing mistakes as the program develops makes sure that these mistakes don't cause bigger issues later on and affect other parts of the program.
Keywords
Test - to run a program to check it is working as planned
Error - a mistake in a program
Visible - when something can be seen
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