Teach students how the xy-coordinate system works before having them use motion blocks in Scratch so they don’t get confused by positive and negative numbers.

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Understanding the coordinate plane in mathematics helps students understand the coordinate plane in Scratch.

In Scratch, the origin is at the center of the screen just as it is in the xy-plane.

Proficiency with the coordinate system eases the use of motion blocks in Scratch.

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Danielle Harlow