Rounding Decimals

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

Round 23.542 to the nearest tenth.

Back

23.5

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

Round 72.178 to the nearest hundredth.

Back

72.18

Front

What does it mean to round to the nearest thousandth?

Back

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

Front

Round 7.4365 to the nearest thousandth.

Back

7.437

Front

Round 47.7399 to the nearest thousandth.

Back

47.740

Front

What is the rule for rounding up?

Back

If the digit to the right of the place value you are rounding to is 5 or greater, you round up.

Front

What is the rule for rounding down?

Back

If the digit to the right of the place value you are rounding to is less than 5, you round down.