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Progressive Homeschool
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Coordinate Puzzles

Saturday, September 03, 2005
We are learning about coordinate geometry.

Some resources include:
Cartesian Coordinates
Cartesian Coordinate System
Shodor Lessons
UNC Coordinate info

To ease into it, we are doing some practice on localizing points on a plane. One way to do this is with puzzles.

One example would be to work with the following number matrix: (5,0), (5,5), (0,5), (0,0), (5,0). The points are plotted with lines between them (like connect the dot) on the cartesian plane.

I have included below a number matrix for a surprise puzzle. If you figure it out post an image of your drawing in a comment!

COORDINATE PUZZLE:

(-11,9)
(-12,8)
(-13,7)
(-12,6)
(-11,6)
(-10,6)
(-9,7)
(-9,8)
(-9,9)
(-10,9)
(-10,10)
(-10,11)
(-9,12)
(-8,13)
(-7,14)
(-6,14)
(-5,14)
(-5,15)
(-4,16)
(-3,15)
(-4,15)
(-4,14)
(-4,13)
(-3,12)
(-2,11)
(-3,10)
(-3,11)
(-4,12)
(-5,13)
(-6,12)
(-5, 11)
(-4,10)
(-5,9)
(-5,10)
(-6,11)
(-7,10)
(-6, 9)
(-5,8)
(-6,7)
(-6,8)
(-7,9)
(-8,8)
(-7,7)
(-6,6)
(-7,5)
(-7,6)
(-8,7)
(-9,6)
(-10,5)
(-11,5)
(-12,5)
(-13,6)
(-14,7)
(-13,8)
(-12,9)
(-11,10)
(-11,9)

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