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Added animations, corrected typo

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Added Battleship examples, animated firework and cascade screensaver
examples, and added a missing period.
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dkiang
2017-08-01 12:05:09 -07:00
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docs/courses/csintro/coordinates.md
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# Coordinate grid and LEDs
This lesson introduces the use of coordinates to store data or the results of mathematical operations. It gives students practice programming for the LEDs of the micro:bit screen using coordinates. And introduces the basic game blocks of MakeCode.
![Sample Heart Simulator](/static/courses/csintro/coordinates/cover.png)
This lesson introduces the use of coordinates to store data or the results of mathematical operations. It gives students practice programming for the LEDs of the micro:bit screen using coordinates, and introduces the basic game blocks of MakeCode.
## Lesson objectives
Students will...
* Understand that the 5 x 5 grid of LEDs on the micro:bit represent a coordinate grid with the origin (0,0) in the top left corner.
* Understand that the 5 x 5 grid of LEDs on the micro:bit represents a coordinate grid with the origin (0,0) in the top left corner.
* Understand that the values of the x coordinates range from 0 through four and increase from left to right.
* Understand that the values of the y coordinates range from 0 through four and increase from top to bottom.
* Learn how to refer to an individual LED by its x & y coordinates.