Module 9 Review

Front

What is rounding?

Back

Rounding is the process of adjusting a number to make it simpler and easier to work with, usually to the nearest ten, hundred, or other place value.

Front

How do you round 599 to the nearest ten?

Back

599 rounded to the nearest ten is 600.

Front

Is 600 a reasonable estimate for 599 + 20?

Back

Yes, because 599 + 20 equals 619, which rounds to 620, close to 600.

Front

What is the result of rounding 612 to the nearest ten?

Back

612 rounded to the nearest ten is 610.

Front

Is 600 a reasonable estimate for 612 + 7?

Back

Yes, because 612 + 7 equals 619, which rounds to 620, close to 600.

Front

How do you compare two numbers using <, >, or =?

Back

You look at the value of each number to determine if one is less than, greater than, or equal to the other.

Front

Compare 6,050 and 6,100 using <, >, or =.

Back

6,050 < 6,100.

Front

Compare 4,751 and 4,615 using <, >, or =.

Back

4,751 > 4,615.

Front

What is the sum of 198 + 75 + 133?

Back

The sum is 406.

Front

What is an estimate in math?

Back

An estimate is a rough calculation or judgment of a number, often used to make quick decisions.