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 digits that follow it.

Front

What does it mean to round to the nearest hundredths place?

Back

Rounding to the nearest hundredths place means adjusting a decimal number so that it has two digits after the decimal point. The last digit is rounded up or down based on the value of the third digit after the decimal.

Front

How do you round the number 77.538 to the nearest hundredths place?

Back

To round 77.538 to the nearest hundredths place, look at the third digit (8). Since 8 is 5 or greater, round the second digit (3) up to 4, resulting in 77.54.

Front

What is the rule for rounding to the nearest hundred?

Back

To round to the nearest hundred, look at the tens digit. If it is 5 or greater, round the hundreds digit up by one. If it is less than 5, keep the hundreds digit the same.

Front

How do you round the number 149 to the nearest hundred?

Back

To round 149 to the nearest hundred, look at the tens digit (4). Since 4 is less than 5, round down to 100.

Front

What does it mean to round to the nearest dollar?

Back

Rounding to the nearest dollar means adjusting a monetary amount to the closest whole number, which is done by looking at the cents.

Front

How do you round $34.57 to the nearest dollar?

Back

To round $34.57 to the nearest dollar, look at the cents (57). Since 57 is 50 or greater, round up to $35.00.

Front

What does rounding to the nearest tenth involve?

Back

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

Front

How do you round the number 123.496 to the nearest tenth?

Back

To round 123.496 to the nearest tenth, look at the second digit (9). Since 9 is 5 or greater, round the first digit (4) up to 5, resulting in 123.5.

Front

What does rounding to the nearest whole number mean?

Back

Rounding to the nearest whole number means adjusting a decimal number to the closest integer.