DEMO #1: Let's practice using the xy-coordinate plane by clicking on 4 locations.

Each location on the xy-coordinate plane can be described by two numbers written like this: (100, 50).

• The first number is the x-coordinate which tells us how far to move right or left. (Right is positive +)
• The second number is the y-coordinate which tells us how far to move up or down. (Up is positive +)
• Click Run and follow the instructions on the stage to move the hedgehog around the field.

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