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Cooking With Math - Double a Recipe
Math skills required:
Multiplication with whole numbers
Multiplication with fractions
Converting improper fractions to mixed numerals
Did you realize you used so many math skills in the kitchen? An assignment of doubling a recipe could serve as an excellent assessment and/or a way to learn and have fun with dessert as a reward. The holiday season requires cooks to expand recipes; so, this is a handy skill to know. Let’s take a look at the ingredients for a Chocolate Chip Cookie recipe.
1 ¼ cups all-purpose flour
½ cup packed light brown sugar
½ cup butter, softened
¼ cup sugar
1 teaspoon vanilla extract
½ teaspoon baking soda
½ teaspoon salt
1 6-oz package semi-sweet chocolate pieces
½ cup chopped walnuts
Yields 48 cookies
Preheat oven to 375 degrees.
Measure all ingredients into a bowl except for the chocolate pieces and walnuts.
Add chocolate pieces and walnuts and stir well.
Use a teaspoon to scoop dough onto greased cookie sheet.
Bake 10 to 12 minutes.
If you are only interested in knowing the measurements for the doubled recipe, scroll to the end of the article.
Some questions you’ll need to answer?
1. Double the measurements ½, ¼, and 1 ¼.
2. Ideally, how many cookies will the doubled recipe make?
3. How many ounces of chocolate chips and eggs are needed?
Other questions you could ask.
4. Which is larger? ¼ or 1/2
5. How many ¼ cups are needed to make a half cup?
6. Now, I doubled the recipe. If I have sixteen friends, how many cookies can I give
7. Use a fraction to represent 2 eggs out of a dozen.
1. ½ X 2/1 = 2/2 =1
¼ X 2/1 = 2/4 = ½
1 ¼ X 2 = 5/4 X 2/1 = 10/4 = 2 ½
2. The original recipe made 48 cookies. So 48 X 2 = 96 cookies.
3. 6 ounces X 2 = 12 ounces.
4. ½ is larger.
6. 96 cookies divided by 16 friends = 6 cookies for each friend
Chocolate Cookie recipe doubled :
All ½ cups = 1 cup
All ¼ cup = ½ cup
1 ¼ cup = 2 ½ cup
1 egg = 2 eggs
6 oz = 12 oz
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