Rounding to the Tens Place

Front

What does it mean to round a number?

Back

Rounding a number means adjusting it to the nearest ten, hundred, or other place value to make it easier to work with.

Front

What is the tens place in a number?

Back

The tens place is the second digit from the right in a number, representing how many tens are in that number.

Front

How do you round 54 to the nearest ten?

Back

You look at the ones place (4). Since it is less than 5, you round down to 50.

Front

How do you round 78 to the nearest ten?

Back

You look at the ones place (8). Since it is 5 or more, you round up to 80.

Front

What is the nearest ten to 89?

Back

The nearest ten to 89 is 90.

Front

What are the tens on either side of 18?

Back

The tens on either side of 18 are 10 and 20.

Front

What are the tens on either side of 91?

Back

The tens on either side of 91 are 90 and 100.

Front

If a number is 45, what is it when rounded to the nearest ten?

Back

When rounded to the nearest ten, 45 becomes 50.

Front

What is the rule for rounding numbers?

Back

If the ones digit is 5 or more, round up. If it is less than 5, round down.

Front

What is an estimate?

Back

An estimate is a rough calculation or approximation of a number.