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A ratio can have equivalent ratios just like a fraction can have equivalent fractions.

If you know the ratio of students to teachers is 5 to 1 and you know there are 15 teachers, is there a way to figure out the number of students?. In this lesson you will learn to solve for missing values in a ratio problem by setting up a table. .

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A ratio can have equivalent ratios just like a fraction can have equivalent fractions.

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  1. If you know the ratio of students to teachers is 5 to 1 and you know there are 15 teachers, is there a way to figure out the number of students?

  2. In this lesson you will learn to solve for missing values in a ratio problem by setting up a table.

  3. A ratio can have equivalent ratios just like a fraction can have equivalent fractions. 2 : 1 x3 x3 6 : 3

  4. The ratio of students to teachers is 5 to 1. There are 15 teachers. students teachers 5 1 wrong column! 15 ?

  5. Andy has a ratio of books to DVDS of 3 : 2 in his room. If he has 15 books, how many DVDs does he have? How can I use the ratio to help set up and solve?

  6. Books DVDS Books to DVDs 3 to 2 15 books ? DVDS 3 2 +3 +2 6 4 +3 +2 9 6 +3 +2 12 8 +3 +2 Andy has 15 books and 10 DVDs. 15 10

  7. Books DVDS additive reasoning 3 2 +3 +3 +3 +3 +2 +2 +2 +2 6 4 multiplicative reasoning 9 6 x 5 x 5 12 8 15 10

  8. In this lesson you have learned to solve for missing values in a ratio problem by setting up a table.

  9. Anita collects shells and stones in a ratio of 1 : 2. If she has a total of 8 shells, how many stones does she have?

  10. students teachers Fill in the missing values of the table. 1 10 15 3 Write a paragraph explaining what ratio properties were used to create and fill in the table. 5

  11. Annie bakes cookies and cupcakes in a ratio of 5 to 4 for her gift boxes. Her school needs 36 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.

  12. George buys oranges and apples at a ratio of 2 :5 for his party. If he has 14 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 18 cookies, how many cupcakes did she bake that day?

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