Students add and subtract radicals with and without perfect square radicands in this activity. Some of the radicals have whole number denominators. When each of the two radicals is simplified before adding or subtracting, the denominators will simplify to become the same. Students will not need to rationalize the denominators to simplify (though there are 2 bonus pennants that do involve this step). Once a pennant is complete, it can be hung along a string in your classroom to show the world that, "Hey, we know how to add radicals!"
Included are 20 pennants, 2 bonus pennants, an optional student answer sheet and an 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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