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Place value doc
 

Place value doc

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    Place value doc Place value doc Presentation Transcript

    • PLACE VALUE The value of a number based on its position
    • Value = what is a number worth Thousands Hundreds Tens Ones 3,459
    • Value = what is a number worth 3,459 3,000 + 400 + 50 + 9
    • The Decimal Separates the wholes from the fractions 45.75 Whole Part
    • The Right of the Decimal 5 6 7 10 100 1000 Tenths Hundredths Thousandths 3.567
    • Four Different Ways to Write it! Standard Form Expanded Form Expanded Form with Exponents Word Form
    • Standard Form 2,403,354,240 Period-every three digits from right to left
    • Expanded Form 2,000,000,000 + 400,000,000 + 3,000,000 + 300,000 + 50,000 + 4,000 + 200 + 40
    • Expanded Form with Exponents 9 8 6 5 (2X10) + (4X10) + (3X10) + (3X10) + 4 3 2 (5X10) + (4x10) + (2X10) + (4X10) Tells the number of zeros when multiplying by powers of 10
    • Word Form Each period gets a comma when you write it out t wo billion, four hundred three million, three hundred fifty-four thousand, t wo hundred forty Use a hyphen bet ween t wo digit words