Rounding Decimals Flashcard

Front

What is rounding?

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.

Front

What does it mean to round to the nearest tenth?

Back

Rounding to the nearest tenth means looking at the digit in the hundredths place to decide whether to round the tenths place up or keep it the same.

Front

How do you round 3.629 to the nearest tenth?

Back

Look at the hundredths place (2). Since 2 is less than 5, round down to 3.6.

Front

What does it mean to round to the nearest whole number?

Back

Rounding to the nearest whole number means looking at the decimal part to decide whether to round up or down.

Front

How do you round 29.711 to the nearest whole number?

Back

Look at the decimal part (0.711). Since it is 0.5 or more, round up to 30.

Front

What does it mean to round to the nearest hundredth?

Back

Rounding to the nearest hundredth means looking at the digit in the thousandths place to decide whether to round the hundredths place up or keep it the same.

Front

How do you round 7.0760 to the nearest hundredth?

Back

Look at the thousandths place (6). Since 6 is 5 or more, round up to 7.08.

Front

How do you round 0.660 to the nearest tenth?

Back

Look at the hundredths place (6). Since 6 is 5 or more, round up to 0.7.

Front

What is the rule for rounding numbers?

Back

If the digit to the right of the place you are rounding to is 5 or more, round up. If it is less than 5, round down.

Front

How do you round 72.178 to the nearest hundredth?

Back

Look at the thousandths place (8). Since 8 is 5 or more, round up to 72.18.