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Place Value

Place Value. Place Value Ms. Cantu 4 th grade. Objective:. You will be able to use place value to read, write, compare , and order whole numbers through 999,999,999 in standard, expanded, and written from. . Vocabulary. Digits: 0,1,2,3,4,5,6,7,8,9

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Place Value

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  1. Place Value Place Value Ms. Cantu 4th grade

  2. Objective: • You will be able to use place value to read, write, compare, and order whole numbers through 999,999,999 in standard, expanded, and written from.

  3. Vocabulary • Digits: 0,1,2,3,4,5,6,7,8,9 • Numbers: represent the value of something • Periods: groups of three places • Standard form: A way to write numbers (in words) that shows the place value of each digit. • Expanded form: A way to write numbers that shows the place value of each digit. • Written from: A way to write numbers that shows the place value of each digit.

  4. Place Value THE VALUE OF A DIGIT DEPENDS ON ITS PLACE IN A NUMBER. • Read whole numbers. • Write whole numbers. • Compare ( less than, grater than, equal to) (>,<,=) • Ordinal numbers.

  5. Reading Large Numbers • Periods • The digits in large numbers are in groups of three places (hundreds, tens, and ones places.) The groups are called periods.

  6. Reading Large Numbers How would you read this number?

  7. Let’s Try Ninety one million, four hundred two thousand, six hundred.

  8. One more time… With your seat partner try reading these two numbers.

  9. Reading Numbers Practice • 4,578 • 65,387 • 876,965 • 6,345,233 • 75,325,832 • 923,876,288

  10. Writing Numbers • Standard Form: A way to write numbers that shows the place value of each digit. The standard form for the number two hundred six is 206. • Expanded Form: A way to write numbers that shows the place value of each digit. The expanded form for the number 3689 is 3000+600+80+9= 3689 • Written Form: A way to write numbers that shows the place value of each digit. The written form of the number 289 is simply 289.

  11. Standard Form • Writing numbers in word from. Here are some numbers written in words. Remember use a hyphen when you use words to write 2-digit numbers greater than 20.

  12. Let’s Try Write 8,976,567 in standard form. eight million, nine hundred seventy-six thousand, five hundred sixty- seven. Write 96,567,234 in standard form. ninety- six million, five hundred sixty- seven thousand, two hundred thirty- four. Write 876,345,265 in standard form. eight hundred seventy- six million, three hundred forty- five thousand, two hundred sixty- five.

  13. One more time… • Write 23,456,873 in standard form. • Twenty-three million, four hundred fifty-six thousand, eight hundred seventy-three • Write 89,654,271 in standard form. • Eighty-nine million, six hundred fifty-four thousand, two hundred seventy-one • Write 2,872,982 in standard form. • Two million, eight hundred seventy- two thousand, nine hundred eighty two • Write 142,872,652 in standard form. • One hundred forty- two million, eight hundred seventy- two thousand, six hundred fifty- two

  14. Writing Numbers Practice • Write 1,982,072 in standard form. • One million, nine hundred eighty- two thousand, seventy-two • Write 923,082,235 in standard form. • Nine hundred twenty- three million, eighty- two thousand, two hundred thirty- five • Write 91,726,982 in standard form. • Ninety-one million, seven hundred twenty- six thousand, nine hundred eighty- two

  15. Expanded Form • A way to write numbers that shows the place value of each digit. Example: 8,768= 8,000+ 700 + 80 + 3 9,302= 9,000+ 300+ 2

  16. Comparing Numbers BEWARE when comparing numbers that don’t have the same amount of digits. Make sure to line the numbers up by the ONES PLACE.

  17. Comparing numbers

  18. Comparing Numbers When one whole number has more digits than another, it is greater. So in our example 11,352,578 > 4,367,755

  19. Samples for Comparing Numbers • The table below shows the number of airline tickets sold over the summer break. Airline Tickets • Which list shows the months in order from least to greatest number of tickets sold by the airline? • July, June, August • August, July, June • July, August, June • June July, August

  20. Samples for Comparing Numbers • The table below shows the number of airline tickets sold over the summer break. Airline Tickets How did you solve it? • Which list shows the months in order from least to greatest number of tickets sold by the airline? • July, June, August • August, July, June • July, August, June • June July, August

  21. Ordinal Numbers You can use ordinal numbers to tell the position of people or things that are in a certain order. Ordinal numbers can be written with digits and letters or in words. Example: 1st 2nd 3rd 4th 5th 6th 7th 8th 9th 10th etc. first, second, third, fourth, fifth, sixth, seventh, eighth, ninth, tenth, etc.

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