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Place Value

Place Value. Lesson #1. The name or symbol used to represent a number (#) is called a Why do we need numbers???. NUMERAL. ones. Place Value:. Each digit has a certain place value Handout: Place Value Chart. Reading a Decimal #. 8.59 1122.0025. Face Value.

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Place Value

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  1. Place Value Lesson #1

  2. The name or symbol used to represent a number (#) is calleda • Why do we need numbers??? NUMERAL

  3. ones Place Value: • Each digit has a certain place value Handout: Place Value Chart

  4. Reading a Decimal # 8.59 1122.0025

  5. Face Value • Tells you how many ones, tens, or hundredths there are. 4 856.01 What is the face value of the thousands place value?

  6. Standard Form • The full number • The way you “normally” write a number

  7. Expanded Form • Writing a number showing the total value of each digit • Example: 543 Placing the # into the Place Value Chart: From the chart we see 100 x 5 = 500 10 x 4 = 40 1 x 3 = 3 So 543 = 500 + 40 + 3

  8. Expanded Form: Practice • Complete the expanded form of the following numbers: 1) 384 = _______ + 80 + _______ 2) 6257 = 6000 + ________ + ______ + ______ 3) 37 = 10x3 + ________ 4) 4826 = ________ + 100x8 + _______ + _____ 5) 219.2 = ______ + _______ + ______ + ______

  9. What is the standard form of these expanded form numbers: 1) 800 + 40 + 3 = 2) 20 000 + 600 + 40 + 9 = 3) 1000x4 + 100x5 + 1x3 = 4) 100x9 + 1x8 + 1/10x5 =

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