1. From Magic Squares to Perfect Numbers: Today's Quirky Factoids!

    From Magic Squares to Perfect Numbers: Today's Quirky Factoids!

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  2. Half Square Triangles from 10 inch Squares

    Half Square Triangles from 10 inch Squares

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  3. Square roots and perfect squares - IXL 8.F.15 (9RS)

    Square roots and perfect squares - IXL 8.F.15 (9RS)

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  4. how to attach granny squares

    how to attach granny squares

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