Rounding

Front

What is rounding in mathematics?

Back

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

Front

What is the rule for rounding to the nearest whole number?

Back

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

Front

How do you round a number to the nearest tenth?

Back

Look at the hundredths place (the second digit after the decimal). If it is 5 or greater, round the tenths place up by one. If it is less than 5, keep the tenths place the same.

Front

What is the nearest hundred to 278.49?

Back

$300.00

Front

When rounding 1.72 to the nearest tenth, what is the result?

Back

1.7

Front

How do you round 23.542 to the nearest tenth?

Back

Look at the hundredths place (4). Since it is less than 5, round down to 23.5.

Front

What number rounds to 12 when rounded to the nearest whole number?

Back

11.56 rounds to 12 because the digit after the decimal (5) causes it to round up.

Front

What is 5.5694 rounded to the nearest tenth?

Back

5.6

Front

What is the significance of the digit 5 in rounding?

Back

The digit 5 is the threshold for rounding up; it indicates that the preceding digit should increase by one.

Front

What is the difference between rounding up and rounding down?

Back

Rounding up increases the last digit by one, while rounding down keeps it the same.