An Introduction to Programming with Scratch

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An Introduction to Programming with Scratch Ronald Bourret Table of Contents Introduction ........................................ ........................................ ........................................ .........3 Chapter 1: Movement and Loops ........................................ ........................................ ................5 Chapter 2: Conditional Actions and Keyboard Commands ........................................ ................9 Chapter 3: Messages ........................................ ........................................ .................................13 Chapter 4: Animation ........................................ ........................................ ................................15 Chapter 5: Practice, practice, practice!.

writing instructions for — to the coordinates (0, 0). The stage has a coordinate system with (0, 0) in the center, x values ranging from –240 to +240, and y values ranging from –180 to +180. The move 100 steps block tells Scratch to move the sprite 100 units in the direction it is facing.

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