A Teacher-Led Presentation

Virginia Standard of Learning (SOL) 4.1 The student will identify (orally and in writing)

the place value for each digit in a whole number expressed through millions;

Reading Large Numbers

&Identifying Place Value

• This presentation is a resource to assist with teaching students to read large numbers by identifying periods an place value.

• Slide #6 can be printed and used in math notebooks.

• There is opportunity to assess student understanding, so make sure students have pencil and paper (or math notebooks) available.

Teacher Notes

Can You Read These Numbers?

2,801,6314,634,1483,495,718

9,614,5037,293,841 946,301

ones

tens

hund

reds

thou

sand

s

mill

ions

hund

red

thou

sand

ste

n th

ousa

nds

hund

red

mill

ions

ten

mill

ions

Each group of three numbers is called a period.

ones

tens

hund

reds

thou

sand

s

mill

ions

hund

red

thou

sand

ste

n th

ousa

nds

hund

red

mill

ions

ten

mill

ions

millions period

thousands period

onesperiod

ones

tens

hund

reds

thou

sand

s

mill

ions

hund

red

thou

sand

ste

n th

ousa

nds

hund

red

mill

ions

ten

mill

ions

millions thousands ones

The ones period

is also known as the UNITS period.

ones

tens

hund

reds

thou

sand

s

mill

ions

hund

red

thou

sand

ste

n th

ousa

nds

hund

red

mill

ions

ten

mill

ions

1. Read the numbers before the comma as if you were reading in the one’s period. (Example: 485)

2. Then name the period you are in when you get to the comma.

3. You don’t have to name the ones period.4. You DON’T say the word AND in these numbers

, ,

ones

tens

hund

reds

thou

sand

s

mill

ions

hund

red

thou

sand

ste

n th

ousa

nds

hund

red

mill

ions

ten

mill

ions

948

ones

tens

hund

reds

thou

sand

s

mill

ions

hund

red

thou

sand

ste

n th

ousa

nds

hund

red

mill

ions

ten

mill

ions

18

ones

tens

hund

reds

thou

sand

s

mill

ions

hund

red

thou

sand

ste

n th

ousa

nds

hund

red

mill

ions

ten

mill

ions

302

ones

tens

hund

reds

thou

sand

s

mill

ions

hund

red

thou

sand

ste

n th

ousa

nds

hund

red

mill

ions

ten

mill

ions

8,771thousand

ones

tens

hund

reds

thou

sand

s

mill

ions

hund

red

thou

sand

ste

n th

ousa

nds

hund

red

mill

ions

ten

mill

ions

218,008thousand

ones

tens

hund

reds

thou

sand

s

mill

ions

hund

red

thou

sand

ste

n th

ousa

nds

hund

red

mill

ions

ten

mill

ions

million432,508,948

thousand

ones

tens

hund

reds

thou

sand

s

mill

ions

hund

red

thou

sand

ste

n th

ousa

nds

hund

red

mill

ions

ten

mill

ions

million 23,542,391

thousand

ones

tens

hund

reds

thou

sand

s

mill

ions

hund

red

thou

sand

ste

n th

ousa

nds

hund

red

mill

ions

ten

mill

ions

million 4,008,349

thousand

ones

tens

hund

reds

thou

sand

s

mill

ions

hund

red

thou

sand

ste

n th

ousa

nds

hund

red

mill

ions

ten

mill

ions

million157,073,007

thousand

ones

tens

hund

reds

thou

sand

s

mill

ions

hund

red

thou

sand

ste

n th

ousa

nds

hund

red

mill

ions

ten

mill

ions

million 67,932,271

thousand

ones

tens

hund

reds

thou

sand

s

mill

ions

hund

red

thou

sand

ste

n th

ousa

nds

hund

red

mill

ions

ten

mill

ions

million724,135,819

thousand

ones

tens

hund

reds

thou

sand

s

mill

ions

hund

red

thou

sand

ste

n th

ousa

nds

hund

red

mill

ions

ten

mill

ions

million 5,118,002

thousand

ones

tens

hund

reds

thou

sand

s

mill

ions

hund

red

thou

sand

ste

n th

ousa

nds

hund

red

mill

ions

ten

mill

ions

million672,891,184

thousand

ones

tens

hund

reds

thou

sand

s

mill

ions

hund

red

thou

sand

ste

n th

ousa

nds

hund

red

mill

ions

ten

mill

ions

million 2,801,331

thousand

ones

tens

hund

reds

thou

sand

s

mill

ions

hund

red

thou

sand

ste

n th

ousa

nds

hund

red

mill

ions

ten

mill

ions

18,774thousand

ones

tens

hund

reds

thou

sand

s

mill

ions

hund

red

thou

sand

ste

n th

ousa

nds

hund

red

mill

ions

ten

mill

ions

million400,006,024

thousand

Can You Identify the Place Value of The 9 in These

Numbers?

2,569,6314,634,1493,415,798

9,614,5037,293,841 946,301

Let’s Learn How

ones

tens

hund

reds

thou

sand

s

mill

ions

hund

red

thou

sand

ste

n th

ousa

nds

hund

red

mill

ions

ten

mill

ions

516,948,027Did you notice that all three periods have

a tens place and a hundreds place?

hund

red

thou

sand

smillions thousands ones

2,801,331

Name the place value of the 8 in this number.

ten

mill

ions

millions thousands ones

82,801,331

Name the place value of the 8 in this number.

ten

thou

sand

smillions thousands ones

53,609,347

Name the place value of the 0 in this number.

thou

sand

s

millions thousands ones

2,364,719

Name the place value of the 4 in this number.

hund

reds

millions thousands ones

15,841,200

Name the place value of the 2 in this number.

tens

millions thousands ones

742,831

Name the place value of the 3 in this number.

ones

millions thousands ones

7,941,548

Name the place value of the 8 in this number.

mill

ions

millions thousands ones

52,873,875

Name the place value of the 2 in this number.

hund

red

mill

ions

millions thousands ones

702,641,593

Name the place value of the 7 in this number.

Try Some Problems On Your Own

Write the letters a – l

on your papers.

We will do the problems a-f, then check them.

2,801,631Name the place value of the 3 in each number.

4,634,1483,495,7189,614,5037,293,841 946,301

ba

cdef

ba

cdef

tensten thousands

ones

hundreds

millions

thousands

ones

tens

hund

reds

thou

sand

s

mill

ions

hund

red

thou

sand

ste

n th

ousa

nds

hund

red

mill

ions

ten

mill

ions

516,948,027Did you notice that all three periods have

a tens place and a hundreds place?

8,041,635Name the place value of the 5 in each number.

5,634,1483,495,7189,614,5037,252,841 1,546,301

hg

ijkl

hg

ijkl

onesmillions

hundreds

hundred thousands

thousands

ten thousands