Using scale factors with customary measurements MYP Question: How do our differences make us similar? AoI: Human Ingenuity Learner Profile: Thinker, Communicator, Knowledge

Task Create a menu of main dish, side dish, and dessert. Find recipes for your menu using or borrow a cookbook. Find out how many servings the recipe makes Use scale factors to make a recipe to serve one person.

Sample Menu Sloppy Joe Glazed vegetables Baked apples

Original Recipe For Sloppy Joe (6 servings) 1 ½ pound ground beef 1 onion, sliced ½ teaspoon salt 1/8 teaspoon pepper 2 tablespoons mustard 8 oz tomato sauce 6 oz tomato paste 14 inch loaf French bread

Scale Factor = 6 Ground beef 1.5 pound for 6 = ____ pounds for 1 Divide 1.5 by 6 and you get 0.25 pounds Or with fractions: 3/2 6 (keep, change, flip) = 3/2 x 1/6 = 3/12 = ¼ pound

Onion 1 onion for 6: ____ onion for 1

Salt ½ teaspoon salt for 6: 1/12 teaspoon salt for 1 ½ 6 = ½ x 1/6 = 1/12

Pepper 1/8 teaspoon for 6: 1/48 teaspoon for 1 That would be a very small amount – dash of pepper

Mustard 2 tablespoons for 6: 1/3 tablespoon for = 2 x 1/6 = 2/6 = 1/3 tablespoon

Tomato sauce 8 oz for 6 = 1 1/3 oz. For one or 8/6 or 4/3

Tomato paste 6 oz for 6: 1 oz for = 1 oz.

French bread 14 inches for 6 = 2 1/3 inch for one

Compare The Recipes 1 ½ pound ground beef 1 onion, sliced ½ teaspoon salt 1/8 teaspoon pepper 2 tablespoons mustard 8 oz tomato sauce 6 oz tomato paste 14 inch French bread ¼ pound ground beef 1/6 onion 1/12 teaspoon salt 1/48 teaspoon pepper (dash) 1/3 tablespoon mustard 1.3 oz tomato sauce 1 oz tomato paste 2 1/3 inch French bread

Task Repeated Create a menu of main dish, side dish, and dessert. Find recipes for your menu using or a cookbook. Find out how many servings the recipe makes Use scale factors to make a recipe to serve one person. Create a power point of your original recipes and recipe for one serving