Rounding to 10 and 100

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 simpler or easier to work with.

Front

What is the nearest ten for the number 25?

Back

30

Front

What is the nearest hundred for the number 150?

Back

200

Front

How do you round 249 to the nearest hundred?

Back

Look at the tens digit (4). Since it's less than 5, round down to 200.

Front

How do you round 684 to the nearest ten?

Back

Look at the ones digit (4). Since it's less than 5, round down to 680.

Front

What is the nearest ten for the number 37?

Back

40

Front

What is the nearest hundred for the number 875?

Back

900

Front

How do you round 917 to the nearest hundred?

Back

Look at the tens digit (1). Since it's less than 5, round down to 900.

Front

What is the nearest ten for the number 472?

Back

470

Front

What is the rule for rounding numbers?

Back

If the digit to the right of the rounding place is 5 or more, round up. If it's less than 5, round down.