![]() Okay, enough of the lecture- these are just the lessons I keep learning over and over with my students, so I’d love to save someone else some of the heartache that comes when students do well on their post-test, but have no idea what you’re talking about just a few weeks later. So, activities must build their conceptual understanding, not just memorize formulas for the test. They need the underlying understanding to understand and hang on to those formulas. Show them examples of prisms, like this one, and have them talk about it with a partner.Īlso, we can’t just rely on students moving a whole bunch of formulas from their notes into their long term memory. For example, why is the volume of a triangular prism half of a rectangular prism? Give them a chance to answer this and similar questions multiple times. You’ll see a lot of activities presented in this blog post, but it’s always important that throughout the learning that students keep discussing the “why”. In this post I’ll explain more about the discovery activity I use for this topic, and twelve more engaging activities to help students really get a solid foundation with finding the volume of pyramids and prisms. A lot of students don’t come into our class with enough background knowledge, and leading them through the discovery process works great as way to build that background. One of the best ways to build their foundation is through a discovery activity. Each year I have probably tried something a little different though. I like to make sure that students have a pretty good understanding of volume before we move on to surface area. I feel like they get the two confused and they need to really understand what each entails. ![]() ![]() Volume and surface area are some of the most difficult concepts for my students to understand in 7th grade. ![]()
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