Rounding Decimals

How do you determine which way to round a number?

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

• Round up if the digit is less than 5.

• Always round down regardless of the digit.

• Ignore the digit to the right and keep the number as is.

Round 3.257 to the nearest hundredth.

• 3.25

• 3.26

• 3.27

• 3.30

Round 10.231 to the nearest hundredth.

• 10.21

• 10.23

• 10.24

• 10.30

If a number is exactly halfway between two rounding options, what do you do?

• Round down to the nearest option.

• Round up to the nearest option.

• Leave it as is.

• Round to the nearest even number.

What is the purpose of rounding numbers?

• To make numbers easier to work with and understand.

• To increase the precision of calculations.

• To eliminate decimal points entirely.

• To convert numbers into percentages.

What is rounding?

• Rounding is the process of adjusting the digits of a number to make it simpler while keeping its value close to what it was.

• Rounding is the method of increasing the value of a number to the nearest whole number.

• Rounding is the technique of decreasing the value of a number to the nearest hundred.

• Rounding is the process of converting a number into a fraction.

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

• Adjusting a decimal number to the closest whole number.

• Changing a whole number to a decimal.

• Finding the average of two whole numbers.

• Rounding down to the nearest ten.

What is the first step in rounding a decimal?

• Identify the place value to which you are rounding.

• Round the number to the nearest whole number.

• Add 1 to the digit in the place value you are rounding to.

• Ignore the decimal and focus on the whole number.

How do you round a decimal to the nearest tenth?

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

• Always round down regardless of the hundredths place.

• Round up if the tenths place is odd, otherwise round down.

• Ignore the hundredths place and keep the tenths as is.

Round 5.67 to the nearest tenth.

• 5.6

• 5.7

• 5.8

• 5.5