Fact Practice 2’s 2 x 1 2 x 0 2 x 2 2 x 4 2 x 3 2 x 6 2 x 5 2 x 8 2 x 7 2 x 10 2 x 9 2 x 12 2 x 11 2 x 0 2 x 1 2 x 2 2 x 3 2 x 4 2 x 5 2 x 6 2 x 7 2 x 8 2 x 9 2 x 10 2 x 11 2 x 12

Place Value: Whole Numbers Target: I can identify and understand the place value of digits to the millions.

Show What You Know On Slates What is the value of the underlined digit? ,312 How many tens are in 10,000? How many hundreds are in 100,000? In which number does the 5 have the greater value? 1,004, ,0915,982572,400

Vocabulary place value The value of where the digit is in the number, such as units, tens, hundreds, etc. In 352, the place value of the 5 is "tens" period Example What is it? What is it like? Example Word Web Definition

Essential Question Problem of the Day On July 3, 2006, an asteroid flew past the Earth at a distance of 268,624 miles. How many thousands are in 268,624? How many digits will be in a number that is in the thousands place, hundred thousands place, millions place?

Learning Task Do Hands On Activity: Model Whole Numbers, Lesson 1.1

Connection You can use a place value chart to help you understand whole numbers and the value of each digit. A period is a group of three digits within a number separated by a comma. The population of the U.S. is 313,914,040. Look at the U.S’s population in the place value chart. MILLIONSTHOUSANDSONES Hundred millions Ten millions Millions Hundred thousands Ten thousands Thousands Hundreds Tens Ones 313,914,040 What do you notice about the place value names? What do you notice about the comma placement? What do you notice about the periods? What other things could be counted in millions? MILLIONSTHOUSANDSONES Hundred millions Ten millions (Units) Millions Hundred thousands Ten thousands (Units) Thousands Hundreds Tens Units 313,914,040

Which period is missing? 684,367,671,690,492 Trillions BillionsThousandsOnes Millions

Which period is missing? 684,367,671,690,492 Trillions BillionsMillionsOnes Thousands

Which period is missing? 684,367,671,690,492 Trillions BillionsMillionsThousands Ones

What are the periods of this number? 671,690,492 MillionsThousands Ones

Remember that each period has three place values within the period 671,690,492 Hundred Ten Millions Units Hundred Ten Thousands Units Hundred Ten Ones Units

What place is the yellow number in? 671,690,492 Hundred Ten Millions Units Hundred Ten Thousands Units Hundred Ten Ones Units ten millions

What place is the yellow number in? 671,690,492 Hundred Ten Millions Units Hundred Ten Thousands Units Hundred Ten Ones Units ten thousands

What place is the yellow number in? 671,690,492 Hundred Ten Millions Units Hundred Ten Thousands Units Hundred Ten Ones Units hundreds hundreds

What place is the yellow number in? 671,690,492 Hundred Ten Millions Units Hundred Ten Thousands Units Hundred Ten Ones Units thousands

What place value is the 3 in this number? 264,789,134 tens

What place value is the 8 in this number? 4,829,905 hundred thousands

What place value is the 9 in this number? 4,829,105 thousands

What place value is the 7 in this number? 254,729,103 hundred thousand

What place value is the 4 in this number? 4,829,105 million

How to read large numbers 684,367,671,690,492 Trillion BillionMillion ThousandOnes Read the numbers before the comma as if you were reading in the one’s column. Say the period you are in when you get to the comma except for the one’s period.

Tip 690,492 Do not use “and” when reading whole numbers. The word “and” will be used when you are reading numbers with decimals. Six hundred and ninety-thousand, and four hundred and ninety-two. and four hundred and ninety-two.

Read this number 384,133,472 three hundred eighty-four million, one hundred thirty-three thousand, four hundred seventy-two 384 million, 133 thousand, 472

Read this number 24,829,905 twenty-four million, eight hundred twenty-nine thousand, nine hundred five 24 million, 829 thousand, 905

Read this number 973,104 nine hundred seventy-three thousand, one hundred four 973 thousand, 104

Read this number 4,371,024 four million, three hundred seventy-one thousand, twenty-four 4 million, 371 thousand, 24

Guided Practice MaticaplaveValueMysteryNumbers.swf Smart Board Game Say a number aloud; students create place value chart on slates and write the number. Call on someone to write the number on the smart board. Repeat.

Practice 4. Choose the number in which the digit 7 has the greater value. Write it in expanded and word form. 70,000 or 700,0001,570,000 or 2,807, How many thousands are in 100,000? 3. Is the number large enough to be in the hundred thousands? Yes or No the number of people in your classthe number of miles from Earth to the sun the number of grains of sand on a beachthe number of countries in the world 1.How many hundreds are in 1,000? 5.How many digits does one million have? 6.In the number 172,806, how many does the digit 1 represent?

Closure Today we learned about place value and the concept of millions. Turn to your neighbor and take turns reading the numbers on the board. 405,623 1,278,091 3,007, ,004 On your slates, create a place value chart for the number 2,406,137. How many thousands does the above number have? Fill in the vocabulary organizer for “period”.

In your journal, write about the following: How do you use a place value chart for the number 1,375,322? Draw or write the answer to the Essential Question. Essential Question: How many digits will be in a number that is in the thousands place, hundred thousands place, millions place?