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 whole number?

Back

Rounding to the nearest whole number means adjusting a decimal number to the closest whole number.

Front

How do you round a number to the nearest tenth?

Back

Look at the hundredths place. If it's 5 or more, round up. If it's less than 5, round down.

Front

What is the hundredths place in a decimal?

Back

The hundredths place is the second digit to the right of the decimal point.

Front

Round 4.52 to the nearest hundredth.

Back

4.52 (it is already at the hundredth place).

Front

Round 12.51 to the nearest whole number.

Back

13.

Front

What is 43.827 rounded to the nearest hundredth?

Back

43.83.

Front

How do you determine which way to round?

Back

Look at the digit immediately to the right of the place you are rounding to.

Front

What is the rule for rounding up?

Back

If the digit to the right is 5 or greater, increase the rounding digit by 1.

Front

What is the rule for rounding down?

Back

If the digit to the right is less than 5, keep the rounding digit the same.