Rounding Decimals

Front

What is rounding?

Back

Rounding is the process of adjusting a number to make it simpler and easier to work with, while keeping its value close to what it was.

Front

What does it mean to round to the nearest hundredth?

Back

Rounding to the nearest hundredth means adjusting a number to two decimal places, looking at the third decimal place to decide whether to round up or down.

Front

How do you round 8.328 to the nearest hundredth?

Back

Look at the third decimal place (8). Since it is 5 or more, round up the second decimal place (2) to 3. So, 8.328 rounded to the nearest hundredth is 8.33.

Front

What is the nearest tenth of 3.875?

Back

Look at the hundredths place (7). Since it is 5 or more, round up the tenths place (8) to 9. So, 3.875 rounded to the nearest tenth is 3.9.

Front

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

Back

Rounding to the nearest whole number means adjusting a number to the closest integer, looking at the decimal part to decide whether to round up or down.

Front

If a number rounds to 15.12 when rounded to the nearest hundredth, what could the original number be?

Back

The original number could be 15.118, as it rounds down to 15.12.

Front

Between which two tenths does 16.35 fall?

Back

16.35 falls between 16.3 and 16.4.

Front

What is the rule for rounding up?

Back

If the digit in the place immediately to the right of the rounding place is 5 or greater, round up.

Front

What is the rule for rounding down?

Back

If the digit in the place immediately to the right of the rounding place is less than 5, round down.

Front

Round 34.72 to the nearest whole number.

Back

34.72 rounds to 35.