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 hundredth?

Back

Rounding to the nearest hundredth means adjusting a number so that it has two digits after the decimal point. If the third digit after the decimal is 5 or greater, the second digit is increased by one.

Front

How do you round a number to the nearest tenth?

Back

To round a number to the nearest tenth, look at the digit in the hundredths place. If it is 5 or greater, increase the tenths place by one. If it is less than 5, keep the tenths place the same.

Front

What is the rule for rounding numbers?

Back

The general rule for rounding is: if the digit to the right of the rounding place is 5 or greater, round up; if it is less than 5, round down.

Front

What is an example of rounding a decimal to the nearest tenth?

Back

For example, rounding 4.76 to the nearest tenth results in 4.8, because the hundredths place (6) is greater than 5.

Front

What is the significance of the digit 5 in rounding?

Back

The digit 5 is the threshold for rounding up. If the digit in the place immediately to the right of the rounding place is 5 or higher, the rounding digit increases by one.

Front

How would you round 15.118 to the nearest hundredth?

Back

15.118 rounded to the nearest hundredth is 15.12, because the third digit (8) is greater than 5.

Front

What is the result of rounding 23.542 to the nearest tenth?

Back

Rounding 23.542 to the nearest tenth gives 23.5, as the hundredths place (4) is less than 5.

Front

How do you round 0.923 mL to the nearest hundredth?

Back

0.923 mL rounded to the nearest hundredth is 0.92 mL, because the third digit (3) is less than 5.

Front

What decimal rounds to 7.8 when rounded to the nearest tenth?

Back

The decimal 7.81 rounds to 7.8 when rounded to the nearest tenth.