Rounding Numbers

Front

What is rounding?

Back

Rounding is the process of adjusting a number to make it simpler and easier to work with, while keeping its value close to what it was.

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

How do you round a number that is exactly halfway between two multiples of ten?

Back

If a number is exactly halfway between two multiples of ten, round up to the higher multiple.

Front

Round 649 to the nearest ten.

Back

650

Front

Round 874 to the nearest ten.

Back

870

Front

Round 555 to the nearest ten.

Back

560

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

Round 231 to the nearest hundred.

Back

230

Front

Round 222 to the nearest hundred.

Back

200

Front

What is the rule for rounding numbers less than 5?

Back

If the digit in the place value you are rounding to is less than 5, round down.