Place Value and Rounding

Front

What is place value?

Back

Place value is the value of a digit based on its position in a number. For example, in the number 345, the digit 3 is in the hundreds place, so its value is 300.

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 96 to the nearest ten.

Back

100

Front

What is the rule for rounding to the nearest hundred?

Back

To round a number 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 871 to the nearest hundred.

Back

900

Front

Round 320 to the nearest hundred.

Back

300

Front

Round 151 to the nearest ten.

Back

150

Front

Round 981 to the nearest hundred.

Back

1,000

Front

What is the value of the digit 7 in the number 7,482?

Back

In the number 7,482, the digit 7 is in the thousands place, so its value is 7,000.

Front

What does it mean to round a number?

Back

Rounding a number means adjusting it to a nearby value that is easier to work with, usually to the nearest ten, hundred, or other place value.