Rounding

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 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 more, round up. If it is 4 or less, round down.

Front

Round 254 to the nearest ten.

Back

250

Front

What is the rule for rounding to the nearest hundred?

Back

To round to the nearest hundred, look at the digit in the tens place. If it is 5 or more, round up. If it is 4 or less, round down.

Front

Round 835 to the nearest hundred.

Back

800

Front

What is the nearest hundred to 324?

Back

300

Front

Round 86 to the nearest ten.

Back

90

Front

What is the nearest hundred to 243?

Back

200

Front

If you have 179 and you round it to the nearest hundred, what do you get?

Back

200

Front

Why do we round numbers?

Back

We round numbers to make them easier to understand and work with, especially in estimation.