rounding to the Nearest 10 or 100

Front

What does it mean to round a number to the nearest ten?

Back

Rounding a number to the nearest ten means adjusting the number to the closest multiple of ten. If the last digit is 5 or more, round up; if it's 4 or less, round down.

Front

What does it mean to round a number to the nearest hundred?

Back

Rounding a number to the nearest hundred means adjusting the number to the closest multiple of one hundred. If the last two digits are 50 or more, round up; if they are 49 or less, round down.

Front

What is the value of the digit 5 in the number 2,345?

Back

The value of the digit 5 in the number 2,345 is 50, as it is in the tens place.

Front

If a number is 753, what are the two possible rounded values when rounding to the nearest ten and hundred?

Back

When rounding 753 to the nearest ten, it rounds to 750. When rounding to the nearest hundred, it rounds to 800.

Front

Which number does NOT round to 400 when rounding to the nearest hundred?

Back

345 does NOT round to 400 when rounding to the nearest hundred; it rounds to 300.

Front

What is the rule for rounding numbers that end in 5?

Back

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

Front

How do you determine which multiple of ten a number rounds to?

Back

To determine which multiple of ten a number rounds to, look at the last digit. If it's 5 or more, round up; if it's 4 or less, round down.

Front

What is the nearest ten to the number 752?

Back

The nearest ten to the number 752 is 750.

Front

What is the nearest hundred to the number 345?

Back

The nearest hundred to the number 345 is 300.

Front

Why might two people give different answers when rounding the same number?

Back

Two people might give different answers when rounding the same number if they are rounding to different place values, such as ten or hundred.