Number Forms 5.NBT.3.a I can read and write decimals to the thousandths using base-ten numerals, number names, and expanded form.

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Number Forms 5.NBT.3.a I can read and write decimals to the thousandths using base-ten numerals, number names, and expanded form.

Let’s Review A digit is any number 0-9. The largest digit that can be in any place is 9 and the smallest is 0. A digit’s value is affected by its place. Place is where a digit sits in a number. Value is how much the digit is worth.

What are We Learning? Students will read and write decimals to the thousandths using base-ten numerals, number names, and expanded form. Common Core Standard Says…

BIG IDEA! Read, write, and compare decimals to the thousandths place.

Number Forms 1.Standard Form- number forms Ex: 357 2,871 2.Expanded Form- showing the number as a sum of the value of its digits. Ex: and 2, Also: 3(100) + 5(10) + 7(1) 3. Written Form- writing a number using words. Ex: three hundred fifty-seven two thousand, eight hundred seventy-one © 2012 Elizabeth Hill

Number Forms 1.Standard Form- number forms Ex: , Expanded Form- showing the number as a sum of the value of its digits. Ex: and 2, Written Form- writing a number using words. Ex: three hundred fifty-seven and twelve hundredths two thousand, eight hundred seventy-one and three tenths

Let’s Go from Standard to Expanded Add 4,051 to Chart Find the Values 1 50 Add + signs + © 2012 Elizabeth Hill

Try It Again Add + signs © 2012 Elizabeth Hill Add 2,783.4 to the chart Find the Values ,

Try It With Your Partner Add 34, to the chart Find the Values Add + signs , ,

Challenge Yourself Add + signs 900, , Add 978, to the chart Find the Values ,

What is the expanded form of…? 4, , © 2012 Elizabeth Hill

What is the expanded form of? 56, , ,

I DO:Can You Work Backwards? 400, , = 480, Hint: Put the values in the right place on your chart.

6, = 6, Hint: Put the values in the right place on your chart.

Try This with Your Partner. 20,000+ 8, = 28, Hint: Put the values in the right place on your chart.

I DO: How do you write a number in written form? 4, , Four thousand three hundred sixty- Hint: Write it in expanded form first. seven Now write what you see in words without the + signs. and two tenths

Let’s Try Another One six hundredseventy- Hint: Write it in expanded form first. nine Now write what you see in words without the + signs. andthree hundred sixty four thousandths

Try One with Your Partner 938, , , , Nine hundredthirty-eight thousandtwenty-one Hint: Write it in expanded form first. Now write what you see in words without the + signs. and forty-five hundredths

Final CFU 35, ,000+5, Thirty-five thousandeight hundredseventy- Hint: Read what comes before the comma first without looking at the rest of the number.. four Hint: Write it in expanded form first. Now write what you see in words without the + signs. and five hundred seventy-six thousandths

Time to Show What You Know 1.You are going to make a book about a number. 2.Fold your paper in half like a hamburger. 3.Cut along the folded line. 4.Place the 2 halves on top of each other. 5.Now fold them to create a book. © 2012 Elizabeth Hill

On front cover write: Open to first page and write: Open next page and write: Open to last page and write: The Story of Number ___ ___ ___ ___ By _______________ Standard Form Expanded Form Written Form © 2012 Elizabeth Hill

Now choose any ten digit number with decimal place value to the thousandths and write your book about it. You can color it after you raise your hand and I approve your book for publishing!