Christmas Math

Front

What is the relationship between weight and servings in cooking?

Back

In cooking, the weight of an ingredient (like a roast) can determine how many servings it provides. For example, if a 6-pound roast feeds 8 people, an 18-pound roast can feed 24 people, as the servings scale with weight.

Front

How do you calculate the total number of children seen by multiple Santas over a period?

Back

To find the total number of children seen by multiple Santas, multiply the number of Santas by the number of children each sees per day and then multiply by the number of days. For example, 400 Santas seeing 125 children each for 30 days results in 1,500,000 children.

Front

What is a dozen and how many cookies are in five dozen?

Back

A dozen is a group of 12. Therefore, five dozen equals 5 x 12 = 60 cookies.

Front

How do you set up an equation to find a previous amount based on a change?

Back

To find a previous amount based on a change, you can set up an equation like x + change = current amount. For example, if Buddy spread cheer to 2750 people this week, and that was 625 more than last week, the equation is x + 625 = 2750.

Front

How do you calculate total work done over a period of time?

Back

To calculate total work done, multiply the rate of work by the total time worked. For example, if Pete frosts 25 cupcakes per hour and works for 150 hours, he frosts 25 x 150 = 3,750 cupcakes.

Front

What is the formula for finding the total number of servings based on weight?

Back

The formula is: (Weight of roast / Weight per serving) = Total servings. If 6 pounds feeds 8 people, then 1 pound feeds 8/6 people.

Front

What is multiplication and how is it used in real-life scenarios?

Back

Multiplication is a mathematical operation that represents repeated addition. It is used in real-life scenarios like calculating total costs, quantities, and scaling recipes.

Front

What does it mean to scale a recipe?

Back

Scaling a recipe means adjusting the ingredient amounts to make more or less of the dish. For example, if a recipe serves 4 and you want to serve 8, you double the ingredients.

Front

How do you find the total number of items produced over time?

Back

To find the total number of items produced, multiply the rate of production by the time. For example, if a baker makes 50 cookies per hour for 5 hours, the total is 50 x 5 = 250 cookies.

Front

What is the concept of 'per' in mathematics?

Back

The term 'per' indicates division or a ratio. For example, 'miles per hour' means the number of miles traveled in one hour.