Grinch Math

Front

What is the process to find the total of multiple numbers?

Back

To find the total of multiple numbers, you add them together. For example, if you have 27, 44, and 73 presents, you calculate 27 + 44 + 73 = 144.

Front

How do you determine the difference between two quantities?

Back

To determine the difference between two quantities, you subtract the smaller quantity from the larger one. For example, if Cindy Lou Who hung 47 ornaments and her mom hung 72, you calculate 72 - 47 = 25.

Front

How do you calculate the end time when given a start time and a duration?

Back

To calculate the end time, add the duration to the start time. Convert minutes to hours if necessary. For example, starting at 4:27 and adding 2 hours and 17 minutes results in 6:44.

Front

What is the conversion factor between human years and dog years?

Back

The conversion factor is that 1 human year is equivalent to 7 dog years. Therefore, to convert human years to dog years, multiply the number of human years by 7.

Front

How do you determine how many people can be fed based on the weight of a roast?

Back

To determine how many people can be fed based on the weight of a roast, you can set up a ratio. For example, if a 6-pound roast feeds 8 Whos, then an 18-pound roast can be calculated as (18/6) * 8 = 24 Whos.

Front

What is the importance of understanding addition in real-life scenarios?

Back

Understanding addition is crucial in real-life scenarios for tasks such as budgeting, shopping, and calculating totals, as it helps in making informed decisions.

Front

What is subtraction and how is it used in everyday life?

Back

Subtraction is the process of finding the difference between two numbers. It is used in everyday life for tasks like calculating change, determining how much more is needed, or comparing quantities.

Front

How do you convert time from hours and minutes to a single unit?

Back

To convert time from hours and minutes to a single unit, convert hours to minutes (1 hour = 60 minutes) and then add the minutes. For example, 2 hours and 17 minutes is 2*60 + 17 = 137 minutes.

Front

What is a ratio and how is it applied in problem-solving?

Back

A ratio is a relationship between two quantities, showing how many times one value contains or is contained within the other. It is applied in problem-solving to compare quantities and make predictions.

Front

How can you apply multiplication in real-life situations?

Back

Multiplication can be applied in real-life situations such as calculating total costs, determining quantities needed for recipes, or scaling up projects.