Lesson #1: Place Value What we’ll learn:

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Presentation transcript:

Lesson #1: Place Value What we’ll learn: Represent, compare & order numbers Understand Place Value columns

Place Value Columns: The columns are used to organize numbers For each place value family, there are 3 place value columns One’s Family Ones Tens Hundreds

Trick: Oliver Tried Ham That Tasted Horirbly Mouldy Each digit has a certain place value Handout: Place Value Chart ones

Practice Reading a Decimal # 8.59 eight AND fifty nine hundredths 1122.0025 one thousand, one hundred twenty two AND twenty five ten thousandths

Words Worth Knowing (WWK) 1) Standard Form: The way you “normally” write a number 2) Expanded Form: Show the TOTAL value of each digit

Expanded Form Practice 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 Hundreds (100s) Tens (10s) Ones (1s) 500 40 3 So 543 = 500 + 40 + 3

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 = ______ + _______ + ______ + ______

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 =