Grid Overlay

Here is an idea for students to practice measuring angles or finding slope all around them.  Have students take pictures with various angled lines.

Save the grid overlay here.

On a Mac:

Video how to    Result:

On a PC:

 Video How to (bad sound you may want to mute) and result:




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  1. Peg Hartwig said:

    I. Love. This! Thanks so much! What a great math application tool!

  2. Pingback: Math Slope Idea « dunaganbits

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