Eureka Module 2

Front

What is the definition of rounding in mathematics?

Back

Rounding is the process of adjusting the digits of a number to make it simpler while keeping its value close to what it was.

Front

How do you round a number to the nearest ten?

Back

To round a number to the nearest ten, look at the digit in the ones place. If it is 5 or greater, round up. If it is less than 5, round down.

Front

What is the time difference between 4:00 and 4:30?

Back

The time difference is 30 minutes.

Front

How do you calculate the duration of an event given a start and end time?

Back

Subtract the start time from the end time to find the duration.

Front

What is the duration of a class that starts at 9:00 a.m. and ends at 10:00 a.m.?

Back

The duration is 60 minutes.

Front

What time is represented by the clock showing 5:27?

Back

The time is 5:27.

Front

What is the process to find the nearest ten for the number 488?

Back

Look at the digit in the ones place (8). Since it is 5 or greater, round up to 490.

Front

What is the process to find the nearest ten for the number 83?

Back

Look at the digit in the ones place (3). Since it is less than 5, round down to 80.

Front

What is the importance of understanding time intervals in daily life?

Back

Understanding time intervals helps in scheduling, planning activities, and managing time effectively.

Front

How can you visually represent time using a number line?

Back

A number line can show the start and end times of events, helping to visualize the duration between them.