Post on 28-Dec-2015
transcript
Place Value
Thousands, Ten Thousands, and Hundred Thousands
Lets Review the place value positions you should already be familiar with: Ones, Tens, and Hundreds.
We would need 10 hundred slabs to equal 1 Thousands cube
10 hundreds = 1 Thousands
We use a comma to separate groups of 3 numbers!
,
OnesTensHundredsThousands
Comma
1101001,000
Now, lets take a look at the next three place value positions. First we have the Thousands position.
Next is the TEN THOUSANDS position.
Again we go in groups of 10…
10 thousands = 1 Ten Thousands
,
OnesTensHundredsThousands
Ten Thousand
s
1101001,00010,000
Finally, there is the HUNDRED THOUSANDS position.
Again we go in increments of 10…
10 ten thousands = 1 Hundred Thousands
How many thousands would it take to equal 100,000?
_________ thousands = 1 Hundred Thousands
,
OnesTensHundreds
Thousands
Ten Thousand
s
Hundred Thousand
s
1101001,00010,000100,000
I have the number
392,754
How would I read that?
,
OnesTensHundreds
Thousands
Ten Thousand
s
Hundred Thousand
s
4507002,00090,000300,000
392,754
Three hundred ninety-two
thousand
seven hundred fifty-four
And I would write it like this…
Let’s chunk it!
Decimal Place ValueTenths, Hundredths,
Thousandths
Now lets look at the first three place values after the decimal point.
If we divided 1 unit into 10 equal pieces we create tenths.
10 tenths = 1 ones
All decimal place values end in “ths”.
.
TenthsOnes
Decimal Point
.11
First we have the Tenths position.
.
HundredthsTenthsOnes
Decimal Point
.01.11
Next comes the Hundredths position.
.
ThousandthsHundredthsTenthsOnes
Decimal Point
.01.11
Finally, the Thousandths position.
.001
45.798 How would I read that?
Forty-five AND seven hundred ninety-eight thousandths
And I would write it like this:
.
ThousandthsHundredthsTenthsOnesTens
540 .7 .09 .008
Practice
Come circle the number in the TENS position.
Populations are the amount of people in an area. We need to understand place value to understand
populations.
What is the value of that number? 80
Circle the number in the THOUSANDS position.
4,000What is the value of that number?
Circle the number in the TEN THOUSANDS position
40,000What is the value of that number?
Mt. Everest is the tallest mountain in the world from sea level at 29,028 ft.
Position Value
What is the position and value of the underlined number?
Mount Everest from Kalapatthar, Pavel Novak. Wikimedia Commons
My car averages 16.478 miles per gallon.
What is the position and value of the underlined
number?
Position Value
Did you know that the volcano Mauna Kea, in Hawaii, is actually the tallest mountain in the world
if you measure from the base of the mountain. This mountain stands 33,465 feet.
What is the position and value of the underlined number?
Position Value
Mauna Kea from Kohala, Meutia Chaerani - Indradi Soemardjan, Wikimedia Commons
New York City is the most
populated city in the United
States.
It has 8,363,710 people.
What is the position and value of the underlined number?
Position Value
Pics4learning
Last night I ordered pizza for dinner. My
total order cost $24.65 .
What is the position and value of the underlined
number?
Position Value
The White House is where the President
lives. It is located in
Washington DC, the capital of our country.
There are 591,833 people living there. What is the position and value of the
underlined number?
Position Value
Pics4learning
Virginia Beach is a great place
to go in the summer.
433,746 people live there.
What is the position and value of the underlined number?
Position Value
Virginia Beach from Fishing Pier, Ben Schumin. Wikimedia Commons
The Orioles play in
Baltimore, Maryland.
636,919 people
live in Baltimore.
What is the position and value of the underlined number?
Position Value
Camden Yards , Shoshanah Wikimedia Commons
You may go to Orlando, Florida to visit Disneyworld.
230,519 people live in
Orlando.
What is the position and value of the underlined
number?
Position Value
Cinderella Castle at the Magic Kingdom, Carlos Cruz, Wikimedia Commons.
I wear a 6.5 size shoe.
What is the position and value of the underlined
number?
Position Value
On a sheet of notebook paper,
write the following:
• 9 place value positions that we learned about today
• The numbers (values) of the place value positions underneath the words