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, typically by increasing or decreasing it to the nearest specified place value.

Front

What does it mean to round to the nearest ten?

Back

Rounding to the nearest ten means adjusting a number to the closest multiple of ten. If the last digit is 5 or more, round up; if it is less than 5, round down.

Front

How do you round the number 56 to the nearest ten?

Back

56 rounds to 60 because the last digit (6) is 5 or more.

Front

What does it mean to round to the nearest hundred?

Back

Rounding to the nearest hundred means adjusting a number to the closest multiple of one hundred. If the last two digits are 50 or more, round up; if they are less than 50, round down.

Front

How do you round the number 478 to the nearest hundred?

Back

478 rounds to 500 because the last two digits (78) are more than 50.

Front

Which number would round to 60?

Back

The number 55 would round to 60 because it is exactly halfway between 50 and 60.

Front

Which number would round to 400?

Back

The number 428 would round to 400 because it is closer to 400 than to 500.

Front

What is the rule for rounding numbers ending in 5?

Back

When rounding numbers ending in 5, you typically round up to the next whole number if the preceding digit is odd, and round down if it is even.

Front

How do you round the number 93 to the nearest ten?

Back

93 rounds to 90 because the last digit (3) is less than 5.

Front

What is the significance of place value in rounding?

Back

Place value determines which digit is considered when rounding a number, affecting whether the number is rounded up or down.