Motion & Coordinates

Summary

This chapter covers the coordinate plane, the origin point, and how x and y coordinates describe a sprite's absolute position on the stage. Students learn sprite heading, degrees of turn, and the core motion blocks that move and reorient a sprite, including the difference between absolute position and relative movement. This chapter builds on the scripting skills from Chapters 2 and 3 and lays the groundwork for all later drawing work. After completing this chapter, students will be able to position and orient a sprite precisely using motion blocks.

Concepts Covered

This chapter covers the following 16 concepts from the learning graph:

Concept	Concept Impact Score
X Coordinate	116
Y Coordinate	58
Coordinate Plane	57
Origin Point	2
Sprite Heading	54
Degrees Of Turn	27
Turn Right Block	2
Turn Left Block	2
Move Steps Block	50
Point In Direction	2
Go To XY Block	3
Glide Block	2
Absolute Position	1
Relative Movement	24
Facing Direction	23
Rotation Style	1

Prerequisites

This chapter builds on concepts from:

• Chapter 2: The Scratch Interface & Environment
• Chapter 3: Sequencing & Scripts

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