1. © Denise Ritter

2. Definitions: Place Value: Value given to the place a digit has in a number Digit: 0,1,2,3,4,5,6,7,8, and 9

3. © Denise Ritter Ways to show a number: Expanded form: A way to write a number that shows the place value of each digit Ex. 9,000 + 300 + 20 + 5 Standard form:9,325 Word form:A way to write a number using words Ex. nine thousand, three hundred twenty five

4. © Denise Ritter Place Value Chart Hundred Thousand Ten Thousand Thousands Period HundredsTensOnes Ones Period, 146, 859 Place = home on the Place value chart Place of the digit 4 = ten thousands Place of the digit 8 = hundreds Value of the digit 4 = 40,000 or 4 ten thousands Value of the digit 8 = 800 or 8 hundreds

5. © Denise Ritter Converting between expanded and standard form: 20,000 + 3,000 + 50 + 7 20,000 3,000 50 + 7 23,057 This way you will always remember to put a zero to hold a place (No hundreds in ex.) Or Count the places in the largest value ex. 20,000 5 places Now plug in the values:, 23570

6. © Denise Ritter Converting between standard form and expanded form 23,057 20,000 Write the digit 2 and fill in the remaining places with zeros. Add a + sign and do the same for the remaining digits. +3,000+50+7