Truss Bridges

We’re exploring the bridges of NYC in 3rd Grade Math, Social Studies and Technology classes this year. I found a great truss bridge activity from the book The Art of Construction by Mario Salvadori. You’ll need tongue depressors and brass paper fasteners to make triangles and then rigid trusses. Students love to build and with their truss in hand it really clicks why engineers use to many triangles in the structures that we see around us.

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