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 specified value, such as the nearest ten or hundred.

Front

How do you round a number to the nearest ten?

Back

Look at the digit in the ones place. If it is 5 or more, round up. If it is 4 or less, round down.

Front

What is 45 rounded to the nearest ten?

Back

50

Front

What is 67 rounded to the nearest ten?

Back

70

Front

How do you round a number to the nearest hundred?

Back

Look at the digit in the tens place. If it is 5 or more, round up. If it is 4 or less, round down.

Front

What is 250 rounded to the nearest hundred?

Back

300

Front

What is 349 rounded to the nearest hundred?

Back

300

Front

What is 850 rounded to the nearest hundred?

Back

900

Front

What is 99 rounded to the nearest hundred?

Back

100

Front

If a number is exactly halfway between two rounding points, which way do you round?

Back

You round up to the next higher number.