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 whole number?

Back

Rounding to the nearest whole number means adjusting a decimal number to the closest integer. If the decimal is .5 or higher, the number is rounded up; if it is less than .5, it is rounded down.

Front

How do you round a number with a decimal to one decimal place?

Back

To round a number to one decimal place, look at the second decimal place. If it is 5 or greater, increase the first decimal place by one. If it is less than 5, keep the first decimal place the same.

Front

What is the rule for rounding up?

Back

The rule for rounding up is that if the digit immediately to the right of the place value you are rounding to is 5 or greater, you increase the digit in the place value you are rounding to by one.

Front

What is the rule for rounding down?

Back

The rule for rounding down is that if the digit immediately to the right of the place value you are rounding to is less than 5, you keep the digit in the place value you are rounding to the same.

Front

How do you round 32.64 to one decimal place?

Back

To round 32.64 to one decimal place, look at the second decimal place (4). Since 4 is less than 5, you keep the first decimal place (6) the same, resulting in 32.6.

Front

How do you round 3.246 to two decimal places?

Back

To round 3.246 to two decimal places, look at the third decimal place (6). Since 6 is greater than 5, you increase the second decimal place (4) by one, resulting in 3.25.

Front

What is the result of rounding 6.099 to one decimal place?

Back

When rounding 6.099 to one decimal place, look at the second decimal place (9). Since 9 is greater than 5, you increase the first decimal place (0) by one, resulting in 6.1.

Front

How do you round 5.423 to the nearest whole number?

Back

To round 5.423 to the nearest whole number, look at the first decimal place (4). Since 4 is less than 5, you round down to 5.

Front

What is the result of rounding 23.9843 to the nearest whole number?

Back

When rounding 23.9843 to the nearest whole number, look at the first decimal place (9). Since 9 is greater than 5, you round up to 24.