Year 3 Events and Actions in Programs

Which of these is correct?

• An event causes an action

• An action causes an event

• Events and actions are not linked

Which of the code snippets below will move a sprite in the correct direction when the 'r' key is pressed?

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Why should you position the sprite and clear any previously drawn lines when you start a maze drawing program?

Key words that might help you: set up, same, start, every time.

Answer explanation

It is important to set up a (maze drawing) program each time it starts, so that it does the same thing every time. This involves starting the sprite from the ‘start’ position and clearing the screen.

From the blocks below, which might you use to set up a drawing project? Select all possible answers.

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Select the code snippet that has been used to set up the project shown

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Image A shows a project after lines have been drawn. Image B shows the project just after it has been set up. Which blocks have been used in the code to set up the project? Tick all that apply.

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Which code sequence is needed to draw the line shown below (the pen is already down)?

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Which code sequence best describes the algorithm below?

 

When the ‘C’ key is pressed on the keyboard

Change the colour of the line

Move the pencil 10 steps

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Match the output of the program with the correct command

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Match the output of the program with the correct command

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