Rounding Decimals

Front

What is rounding in mathematics?

Back

Rounding is the process of adjusting the digits of a number to make it simpler while keeping its value close to what it was. It often involves increasing or decreasing the last digit based on the value of the digit that follows it.

Front

What does it mean to round to the nearest thousandth?

Back

Rounding to the nearest thousandth means adjusting a number so that it has three digits after the decimal point. The last digit is rounded based on the value of the digit in the fourth decimal place.

Front

How do you round the number 3.8579 to the nearest thousandth?

Back

To round 3.8579 to the nearest thousandth, look at the fourth decimal place (9). Since 9 is 5 or greater, you round up the third decimal place (7) to 8, resulting in 3.858.

Front

What does it mean to round to the nearest tenth?

Back

Rounding to the nearest tenth means adjusting a number so that it has one digit after the decimal point. The last digit is rounded based on the value of the digit in the hundredths place.

Front

How do you round the number 46.82 to the nearest tenth?

Back

To round 46.82 to the nearest tenth, look at the hundredths place (2). Since 2 is less than 5, you keep the tenths place (8) the same, resulting in 46.8.

Front

What is the process for rounding to the nearest whole number?

Back

To round to the nearest whole number, look at the first decimal place. If it is 5 or greater, round up; if it is less than 5, round down.

Front

How do you round the number 7.16 to the nearest whole number?

Back

To round 7.16 to the nearest whole number, look at the first decimal place (1). Since 1 is less than 5, you round down to 7.

Front

What is place value in a number?

Back

Place value refers to the value of a digit based on its position in a number. Each position represents a different power of ten.

Front

In the number 296, what is the place value of the digit 2?

Back

In the number 296, the place value of the digit 2 is hundreds.

Front

What does it mean to round to the nearest tenth?

Back

Rounding to the nearest tenth means adjusting a number so that it has one digit after the decimal point.