6-4 Warm Up

Front

What is standard form in mathematics?

Back

Standard form is a way of writing numbers using digits. For example, the number three hundred five thousand, seven hundred four is written as 305,704.

Front

How do you round a number to the nearest ten thousand?

Back

To round a number to the nearest ten thousand, look at the thousands place. If it is 5 or more, round up. If it is less than 5, round down.

Front

What is the total number of students if each of the 8 buses holds the same number of students and there are 224 students?

Back

28 students per bus (224 ÷ 8 = 28).

Front

How do you calculate the total capacity of a train with multiple types of cars?

Back

To calculate the total capacity, multiply the number of cars by the number of passengers each car can hold, then add the capacities of all types of cars.

Front

What is the capacity of a train with 82 cars, where 5 cars hold 32 passengers each and the rest hold 48 passengers?

Back

3,760 passengers (5 cars x 32 + 77 cars x 48 = 3,760).

Front

What does it mean to round a number?

Back

Rounding a number means adjusting it to a nearby value that is easier to work with, usually to a specific place value.

Front

What is the process to find the number of students per bus if you know the total number of students and the number of buses?

Back

Divide the total number of students by the number of buses.

Front

What is the definition of population in a mathematical context?

Back

Population refers to the total number of people living in a specific area, such as a city or country.

Front

How do you express a large number in standard form?

Back

To express a large number in standard form, write it using digits without commas, such as 305704.

Front

What is the formula to calculate the total number of passengers on a train?

Back

Total passengers = (Number of cars that hold passengers x Number of passengers per car) + (Number of dining cars x 0).