This was such a great hands on Algebra activity to get my high school math students some practice at factoring trinomials down to a set of 2 binomials. My secondary math students really seemed to have a better hand on factoring quadratics after they did this worksheet. I love doing Algebra activities like this where students get to sort cards, cut, glue, and be engaged.
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One of the many sites now creating real world Math lesson plans. This site is the best Ive come across, and each lesson comes with an accompanying student handout and sliderocket presentation complete with video and associated student notes.