Pizza Fractions. The easiest way to explain fractions is with pizza. The students cut out the toppings and add them to their pizza. Then they write how many are on their pizza out of how many were in the bunch (on the sheet). They glue it on their pizza and color their pizza. You can cut out the pizza and put it on construction paper. An easy, quick, and fun assessment tool. There is a questions page (not shown) to assess their knowledge. (ex. "I have _______ (a fraction) mushrooms on my pizza.)