Multiplying Recipes
If 30 people will eat one bowl of stew and the recipe makes enough for 6 people, how many times will I need to multiply the recipe?
5 times
6 servings x 5 = 30 bowls of stew
To get twice as many servings, what do you do to each ingredient?
Multiply it by 2.
To get half the servings, what do you do to each ingredient?
Divide the amount by 2
-or- Multiply by 1/2
If Mrs. Pohl needs 15 cups of milk, how many gallons of milk will she need to buy?
1 gallon (There are 16 cups in 1 gallon)
What steps must be done when dividing a fraction by a fraction? (3 steps)
2. Change
3. Flip/Invert/Reciprocate
Your muffin recipe makes 12 muffins.
You are having 14 people for brunch and each person will eat 2 muffins. How many muffins do you need?
28 muffins
2 1/2 c. flour x 2 = ?
5 cups flour
(no naked numbers)
Half the ingredient:
4 1/2 teaspoons baking powder
2 1/4 teaspoons baking powder
(no naked numbers)
If Mrs. Pohl buys 3 18-packs of eggs and students use 45 eggs, how many eggs will she have leftover?
9 eggs leftover
Define "serving" for a recipe.
How many individual portions a recipe makes.
If you need 2 1/2 times more for one recipe, what should you do?
Round it up to 3 times more.
Cookie Monster is making cookies. His recipe makes 24 cookies. He needs 4 dozen cookies total. He's feeding Big Bird, Elmo, Telly, Snuffy, Bert, and Ernie 4 cookies each. His single recipe calls for 1 1/2 cups chocolate chips. You are doubling the recipe. What type of cookies is Cookie Monster making?
Chocolate Chip cookies
Half a gallon, then half that, then half it again
1/8 gallon
(Bonus points for 1 pint)
1 bell pepper (I can't buy only half a bell pepper.)
True or False
False.
*Remember, in FACS, we multiply a recipe by whole numbers only. The only exception is when we halve a recipe.
Your muffin recipe makes 12 muffins.
You need 26 muffins. After adjusting your recipe, how many muffins will you be making?
36 muffins
(12 muffins x 3 = 36 muffins) *You need to make at least 26 muffins.
List the 3 math steps to double a recipe
1. make an improper fraction
2. make "2" into a fraction
3. multiply straight across
Half the ingredient:
3/4 cups brown sugar
3/8 cups brown sugar
(no naked numbers)
How many 24 oz bags of hashbrowns will I need to buy if I need 180 oz of hashbrowns?
8 bags
What is the first (math) step of doubling 2 1/2 c. of flour?
Make "2 1/2" an improper fraction (5/2)
A chocolate chip cookie recipe makes 36 cookies and calls for 1 1/2 c. of chocolate chips.
30 people will need 3 cookies each.
How many cups of chocolate chips will you need?
4 1/2 cups
SURPRISE! We're multiplying recipes!!
Fruit Punch makes 8 servings
You are having a party and have 30 people coming. What do you multiply by to get enough Fruit Punch?
4 times
Half the ingredients:
2 1/2 cups broth, 2 1/3 cups diced celery, 3 potatoes, 1 1/2 tablespoons oil, 2 1/2 cups diced carrots
1 1/4 cups broth, 1 1/6 cups diced celery, 1 1/2 potatoes, 3/4 tablespoons oil, 1 1/4 cups diced carrots
Mrs. Pohl has 15 groups that need 3 eggs each. The store only has eggs by the dozen. How many cartons will she need to buy.
4 12-packs
*15 x 3 = 45 eggs *a dozen = 12 *45 eggs / 12 = 3.75
*Round up to 4
What does "yield" mean on a recipe?
How many servings/portions the recipe will make.