In this lesson you have learned to solve for missing values in a ratio problem by setting up a double number line.
Guided Practice Anita collects shells and stones in a ratio of 2 : 1. If she has a total of 8 shells, how many stones does she have?
Extension Activities 1 15 3 10 5 students teachers 1 3 5 8 12 16 Fill in the missing values of the double number line. Write a paragraph explaining what ratio properties were used to create and fill in the lines.
Extension Activities Annie bakes cookies and cupcakes in a ratio of 4 to 3 for her gift boxes. Her school needs 35 desserts to sell in a bake sale. How many cupcakes will she bake? How many cookies will she bake? Create an illustration and a table to support your work.
Quick Quiz George buys oranges and apples at a ratio of 3 :4 for his party. If he has 15 oranges, how many apples does he have? Kelly bakes cupcakes and cookies in a ratio of 5 to 3 for her bakery. If on any given day she bakes 20 cupcakes, how many cookies did she bake that day?