RoundingRoundingRoundingRoundingHow do I round numbers to the How do I round numbers to the

100s place?100s place?

Amanda Dougherty and Stephanie Sarver

Big IdeaRounding is an important skill in

math and every day life. Rounding makes numbers easier to work with. It’s a lot easier to work with values when they have values rounded to the nearest ten, hundred, or whatever.

Sing the Rounding Song

• If you’re rounding to the hundreds, check the tens.• If you’re rounding to the hundreds, check the tens.• If the tens are zero through four, round it down to the

hundreds before.

• If you’re rounding to the hundreds, check the tens.• If you’re rounding to the hundreds, check the tens.• If you’re rounding to the hundreds, check the tens.• If the tens are five through nine, round it up, and you’ll

be fine.• If you’re rounding to the hundreds, check the tens.

Let’s PracticeDirections: Round the three-digit number to

the 100s place.

Example: 456- if you’re rounding to the hundreds

look at the tens. The 5 tells you to round up to the next digit.

456 rounds to 500

On your own!!256_____ 119_______

489_____ 360______

567_____ 703______

300

600 700

Click for extra practice

Directions: Click on the link to play a game.

http://www.funbrain.com/tens/index.html

http://www.webmath.com/k8round.html

Create your Own!!!• Each person in your group will

create their own slide with numbers to round.

• After you have created your slide, print it out and round your numbers to the nearest hundred.

Show me what you got!!!

Direction: Click in the text box to create your own numbers.