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 4321, the digit 4 is in the thousands place, so its value is 4000.

Front

What does it mean to round a number?

Back

Rounding a number means adjusting it to the nearest specified place value, such as the nearest ten or hundred.

Front

Round 151 to the nearest ten.

Back

150

Front

What is the value of the underlined digit in 4,321?

Back

thousands

Front

Round 871 to the nearest hundred.

Back

900

Front

Round 26 to the nearest ten.

Back

30

Front

Round 326 to the nearest ten.

Back

330

Front

What is the value of the digit 3 in the number 3,456?

Back

three hundred (300) because it is in the hundreds place.

Front

What is the value of the digit 5 in the number 5,678?

Back

fifty (50) because it is in the tens place.

Front

How do you determine which way to round a number?

Back

If the digit to the right of the place value you are rounding to is 5 or greater, round up. If it is less than 5, round down.