Rounding to the nearest 10 and 100

Front

What does it mean to round a number?

Back

Rounding a number means adjusting it to the nearest place value, such as the nearest ten or hundred.

Front

How do you round to the nearest ten?

Back

Look at the digit in the ones place. If it's 5 or more, add 1 to the tens place. If it's less than 5, keep the tens place the same.

Front

Round 23 to the nearest ten.

Back

20

Front

Round 37 to the nearest ten.

Back

40

Front

What is the nearest hundred to 250?

Back

300

Front

How do you round to the nearest hundred?

Back

Look at the digit in the tens place. If it's 5 or more, add 1 to the hundreds place. If it's less than 5, keep the hundreds place the same.

Front

Round 450 to the nearest hundred.

Back

500

Front

Round 678 to the nearest hundred.

Back

700

Front

What is the nearest hundred to 1,200?

Back

1,200

Front

Round 1,499 to the nearest hundred.

Back

1,500