Rounding and Place Value

Rounding Numbers

Rounding Numbers

• What does it mean to round?

• It is simple!

• The number you are round you just see if it is equal or greater than 5 you round up, but if it less than 5 stay the same.

• Fairly simple right? Now lets try!

The number to the right tells the underlined number what to do (0-4 stays the same, 5-9 go up one) (Highlight the number to the right)

283 -> 280

3 is less than 5 therefore the place value to the left stays the same.

​Step 2

Identify the place value you are rounding to (Underline the place value)

283

​Step 1

Rounding: Steps

Practice Rounding

​Round 3,286 to the nearest hundred place

-Step 1: Identify the place value 3,286

-Step 2: What does the number right of the hundred place tell us to do? 3,286

-Is 8 great then 5? Yes, so we go up one. Our answer is 3,300

Review of Our Place Values

0.085

Step 1 : 0.085

Step 2: 0.085

Is 5 equal or great than 5? Yes! So we go up one and get 0.09

​Round to the nearest hundredth

3.472

Step 1: 3.472

Step 2: 3.472

Is 7 greater than 5? Yes! So we go up one and get 3.5

Round to the nearest tenth

Practice Rounding

Multiple Choice

Round to the nearest ones place: 38.2

Which number is in the ones place?

• 3

• 8

• 2

Multiple Choice

Round to the nearest ones place: 38.2

Which number is to the right of the ones place?

• 3

• 8

• 2

Multiple Choice

Round to the nearest ones place: 38.2

What is our answer?

• 38.2

• 38.0

• 39.0

• 39.2