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1

A list of steps to complete a task.

ALGORITHM:

1. Move forward 10 steps

2. Wait 2 seconds

10

2

3. Change color to green

Here is a program for Scratch cat’s algorithm from above.

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Can you match each step of the algorithm with each code block?

A set of instructions that follow one another in order

SEQUENCE:

An algorithm written in a language that a computer understands

PROGRAM:

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2

Act out and

build scripts.

The Actor (Sprite) uses a script card to act out the script.

The Director makes sure the Actor follows the script correctly.

The Script Builders make the script by putting code blocks together in the correct order.

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Scratch Charades is a game where you act out a script and then build the script. There is an:

Actor (Sprite) Director Two Script

Builders

Every script will start with a “Green Flag clicked” or a “This Sprite clicked” event block.

The scripts will also include Motion, Looks, Sound, and Control blocks.

Motion

Looks

Sound

Control

Hello

3

SCRATCH CHARADES

Unplugged

There are 2 levels of script cards: Green and Blue.

Complete the Green script cards before starting the Blue script cards.