[Spiral #2] Rounding Decimals

Front

What is rounding in mathematics?

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. It often involves increasing or decreasing the last digit based on the value of the digits that follow it.

Front

How do you round a decimal to the nearest whole number?

Back

To round a decimal to the nearest whole number, look at the digit in the tenths place. If it is 5 or greater, round up. If it is less than 5, round down.

Front

Round 30.92 to the nearest whole number.

Back

31

Front

What is the value of the digit 7 in the number 6,789?

Back

700

Front

How do you round a decimal to one decimal place?

Back

To round a decimal to one decimal place, look at the digit in the hundredths place. If it is 5 or greater, round up the tenths place digit. If it is less than 5, keep the tenths place digit the same.

Front

Round 6.099 to one decimal place.

Back

6.1

Front

What is the significance of the underlined digit in rounding?

Back

The underlined digit indicates the place value to which you are rounding. The digit immediately to the right of it determines whether you round up or down.

Front

Round 56.789 to the place of the underlined digit (tenths).

Back

56.79

Front

Round 9.847 to the place of the underlined digit (hundredths).

Back

9.85

Front

What happens when the digit to the right of the rounding place is exactly 5?

Back

When the digit to the right of the rounding place is exactly 5, you round up the rounding place digit by one.