You have been looking at some of the connections between addition and multiplication in this lesson. Knowing how to add fractions can help you think about how to multiply a fraction by a whole number. Now read this story about two students who are baking three batches of oatmeal raisin cookies for a bake sale. They need to use what they know about addition and multiplication to make sense of all the fractions that they see.
Click to read Oatmeal, Raisins, and Fractions (PDF).
Devon and Jake guess that they can feed 100 people with all the cookies they baked. They want to give each person 1/2 cup of milk to enjoy with their cookies. How much milk do they need? In two or three sentences, write about how you can figure this problem out using multiplication or addition.