Reading Large Numbers & Identifying Place Value

Reading Large Numbers&Identifying Place Value The student will identify (orally and in writing) the place value for each digit in a whole number expressed through millions

Teacher Notes • 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.

Can You Read These Numbers? 2,801,631 9,614,503 4,634,148 7,293,841 3,495,718 946,301

hundred thousands hundred millions ten thousands ten millions thousands hundreds millions ones tens Eachgroup of three numbers is called a period.

hundred thousands hundred millions ten thousands ten millions thousands hundreds millions ones tens ones period millions period thousands period

hundred thousands hundred millions ten thousands ten millions thousands hundreds millions ones tens millions thousands ones The ones period is also known as the UNITS period.

hundred thousands hundred millions ten thousands ten millions thousands hundreds , , millions ones tens • Read the numbers before the comma as if you were reading in the one’s period. (Example: 485) • Then name the period you are in when you get to the comma. • You don’t have to name the ones period. • You DON’T say the word AND in these numbers

hundred thousands hundred millions ten thousands ten millions thousands hundreds millions ones tens 948

hundred thousands hundred millions ten thousands ten millions thousands hundreds millions ones tens 8,771 • thousand

hundred thousands hundred millions ten thousands ten millions thousands hundreds millions ones tens 432,508,948 • million • thousand

Can You Identify the Place Value of The 9 in These Numbers? 9,614,503 2,569,631 7,293,841 4,634,149 946,301 3,415,798 Let’s Learn How

hundred thousands hundred millions ten thousands ten millions thousands hundreds millions ones tens 516,948,027 Did you notice that all three periods have a tens place and a hundreds place?

Name the place value of the 8 in this number. hundred thousands millions thousands ones 2,801,331

Name the place value of the 8 in this number. ten millions millions thousands ones 82,801,331

Name the place value of the 0 in this number. ten thousands millions thousands ones 53,609,347

Name the place value of the 4 in this number. thousands millions thousands ones 2,364,719

Name the place value of the 2 in this number. hundreds millions thousands ones 15,841,200

Name the place value of the 3 in this number. tens millions thousands ones 742,831

Name the place value of the 8 in this number. ones millions thousands ones 7,941,548

Name the place value of the 2 in this number. millions millions thousands ones 52,873,875

Name the place value of the 7 in this number. hundred millions millions thousands ones 702,641,593

Try Some Problems On Your Own Write the letters a – l on your papers. We will do the problems a-f, then check them.

Name the place value of the 3 in each number. 2,801,631 a a tens 4,634,148 b b ten thousands 3,495,718 c c millions 9,614,503 d d ones 7,293,841 e e thousands 946,301 f f hundreds

hundred thousands hundred millions ten thousands ten millions thousands hundreds millions ones tens 516,948,027 Did you notice that all three periods have a tens place and a hundreds place?

Name the place value of the 5 in each number. 8,041,635 g g ones 5,634,148 h h millions 3,495,718 i i thousands 9,614,503 j j hundreds 7,252,841 k k ten thousands 1,546,301 l l hundred thousands

Reading Large Numbers & Identifying Place Value