Tag Archives: similar triangles

Technology and Construction Papers are Cool

Big-time struggles for my 8th graders on this problem from Five Triangles mathematics. The one student who got it also struggled, but he was good about our rule of “never tell an answer.” What I gathered from seeing their boards and listening to them explain: They wanted to find the area of the parallelogram first. So […]

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When I Let Them Own the Problem

From our textbook: Stuff like this makes my heart sink. (I actually wrote that it makes me fart — but that’s very unladylike. And I’m trying to write better.) There is essentially nothing left in this problem for students to explore and figure out on their own. If anything, all those labels with numbers and variables […]

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