Rounding and Estimation

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

What does it mean to round to the nearest ten?

Back

Rounding to the nearest ten means finding the closest multiple of ten to a given number.

Front

What does it mean to round to the nearest hundred?

Back

Rounding to the nearest hundred means finding the closest multiple of one hundred to a given number.

Front

How do you round a number ending in 5?

Back

If a number ends in 5, you round up to the next whole number.

Front

What is 31 rounded to the nearest ten?

Back

30

Front

What is 471 rounded to the nearest hundred?

Back

500

Front

What is 739 rounded to the nearest ten?

Back

740

Front

What is 235 rounded to the nearest hundred?

Back

200

Front

What is 548 rounded to the nearest ten?

Back

550

Front

When rounding, what do you do if the digit to the right is less than 5?

Back

If the digit to the right is less than 5, you round down.