Rounding Decimals

Front

What does it mean to round a number?

Back

Rounding a number means adjusting it to a nearby, more convenient value, often to make calculations easier. It usually involves looking at the digit to the right of the place value you are rounding to.

Front

How do you round a decimal to the nearest tenth?

Back

To round a decimal to the nearest tenth, look at the hundredths place (the second digit after the decimal). If it is 5 or greater, round up the tenths place by 1. If it is less than 5, keep the tenths place the same.

Front

Round 23.542 to the nearest tenth.

Back

23.5

Front

What is the nearest dollar to $278.49?

Back

$278

Front

How do you round a decimal to the nearest whole number?

Back

To round a decimal to the nearest whole number, look at the tenths place (the first digit after the decimal). If it is 5 or greater, round up. If it is less than 5, round down.

Front

Round 1.82 to the nearest whole number.

Back

2

Front

What does it mean to round a number to the nearest hundredth?

Back

Rounding to the nearest hundredth means adjusting the number to two decimal places. Look at the thousandths place (the third digit after the decimal) to decide whether to round up or down.

Front

Round 43.827 to the nearest hundredth.

Back

43.83

Front

What is 5.569 rounded to the nearest tenth?

Back

5.6

Front

What is the rule for rounding numbers?

Back

The rule for rounding numbers is: 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.