Rounding Numbers

Rounding Numbers

Learning Target

• I can round numbers to a specific place value.

• I can fluently find the unit rate.

Multiple Choice

What place value is the 4 in?

3.45

• Ones Place

• Tenths Place

• Hundredths Place

• Tens Place

Multiple Choice

Which number is the whole number?

8.901

• 1

• 0

• 9

• 8

We Round Numbers to Shorten & Easily Work with Numbers

Rounding Numbers

• It is important to know the place values.

• Look behind the identified place value to decide if you want to: (1) Round up or (2) leave the number as is.

Rounding Numbers

• Identify which place value we are rounding to.

• Look behind the whole number place value.

• If the number behind is 5 or more, ROUND UP

• If the number behind is 4 or less, LEAVE IT AS IS.

Rounding Numbers

• 7.997 Round this number to the tenth place.

• Rounding Up the number 9 may also affect another place value

• 7 . 9 9 7

• When I round up the 9 in the tenth place, it rounds adds to the ones place as well.

• The answer will be 8.

Rounding Numbers

• Round this number to the Tenths Place.

• What number is that?

• Will I round up or leave it alone?

• Why?

Multiple Choice

Round this number to the HUNDREDTHS place.

• 3.14192

• 3.14

• 3

• 3.1

Multiple Choice

Round 36.995 to the tenths place.

• 36.9

• 36.10

• 37

• 36.995