Students find the areas of nets and composite figures that are made of rectangles and triangles in this activity that doubles as classroom decor. Nets include rectangular prisms, triangular prisms, square pyramids, triangular pyramids. There is no need to know the formula for the area of a trapezoid to compute any of the areas. Two of the pennants ask students to find the shaded regions then one rectangle overlaps another. Once each pennant is complete, it can be hung in a string in your classroom to show the world that, "Hey, we know how to combine like terms!"
Included are 20 pennants, an optional student answer sheet, a quick 1-page answer key and a full answer key. Each group of students can be given a set of pennants, scissors and either glue, tape or a stapler. Students can be in charge of cutting out the pennants. Groups can compete to see which group can complete the most pennants or your entire class can add pennants to one string as they complete each one. You may also choose to have your students color their pennants to add to your classroom decor.
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