Rounding

What is the rule for rounding numbers?

• If the digit is 5 or more, round up; if it is 4 or less, round down.

• If the digit is 6 or more, round up; if it is 5 or less, round down.

• Always round down regardless of the digit.

• Round up if the digit is odd, round down if it is even.

What does it mean to round up?

• To decrease the number to the nearest lower value based on the rounding rules.

• To increase the number to the nearest higher value based on the rounding rules.

• To keep the number the same without any changes.

• To round the number to the nearest whole number regardless of its value.

Round 273 to the nearest hundred.

• 200

• 250

• 300

• 350

Round 412 to the nearest hundred.

• 300

• 400

• 500

• 350

Round 145 to the nearest ten.

• 140

• 145

• 150

• 160

What is the nearest hundred to 245?

• 200

• 250

• 300

• 150

What is rounding?

• Rounding is the process of adjusting a number to make it simpler and easier to work with, usually to the nearest ten, hundred, or other place value.

• Rounding is the method of calculating the average of a set of numbers.

• Rounding is the technique of converting fractions into decimals.

• Rounding is the process of finding the maximum value in a dataset.

Round 367 to the nearest ten.

• 360

• 370

• 380

• 350

Round 84 to the nearest ten.

• 70

• 80

• 90

• 100

How do you round a number to the nearest ten?

• Look at the digit in the tens place and round up if it's 5 or more.

• Look at the digit in the ones place. If it is 5 or more, round up. If it is 4 or less, round down.

• Always round down to the nearest ten regardless of the ones place.

• Round up to the nearest hundred if the ones place is 5 or more.