What fraction is shaded - Open Middle

WFIS

Here are four "What Fraction Is Shaded" problems in a square, of increasing difficulty. The answers follow a pattern. 1) Solve these puzzles. 2) Using only midpoints, can you continue the sequence by creating similar #WFIS puzzles using the provided GeoGebra tools ?

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If you like this kind of puzzle, you might want to check out our books written with Ed Southall : Geometry Snacks More Geometry Snacks

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