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Explore a controversial first-grade math homework problem that sparked heated debates on Reddit about whether vertices of a rectangle have different sizes. Analyze this confusing question designed for 6-year-olds that requires selecting all incorrect answers, examining the mathematical concepts of vertices, closed shapes, and geometric properties. Discover why this seemingly simple problem has mathematicians and parents arguing, while investigating whether asking about vertex sizes is reasonable for elementary students. Navigate through the confusion surrounding basic geometry terminology and educational approaches to teaching young children about shapes and their properties.
