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This hands-on activity is great to use for small group, for math centers, stations or whole group instruction. This is for lessons on factoring quadratic equation where a=1.This product has two options. Option 1 is a triangle puzzle. The students will create an triangle figure by matching the 18 quadratic equations and their factors. There are 18 quadratic equation and three of them have common factor.Your students will enjoy putting together the puzzle as they solve math problems. In a group, students work together to match their problems and answers and solve the puzzle. If they solve the problem correctly, they find the answer piece and continue working, but if they don’t, they must recheck their work and correct the mistake before they can move on. Also, the puzzle pieces are jumbled so you can have students cut them out without seeing the answers. Option 2 is matching cards. This product includes a table of all the problems included. You can cut them and let the students match the equation and solutions.