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

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, to make it simpler while keeping it close to the original value.

Front

Round 26 to the nearest ten.

Back

30

Front

Round 73 to the nearest ten.

Back

70

Front

Round 871 to the nearest hundred.

Back

900

Front

What is the value of the underlined digit in 853?

Back

The value of the underlined digit is tens.

Front

Round 981 to the nearest hundred.

Back

1,000

Front

What is the value of the digit 7 in the number 7,245?

Back

The value of the digit 7 is 7,000.

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.

Front

What is the place value of the digit 4 in the number 4,562?

Back

The place value of the digit 4 is thousands.