knowing decimals 13.45 4,000 + 500 + 40 + 9 +.8 +.03 307.6 - 56.1 108 ÷.32 19.8 *.32
TRANSCRIPT
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Knowing Decimals
13.45
4,000 + 500 + 40 + 9 + .8 + .03
307.6- 56.1
108 ÷ .32
19.8 * .32
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Let’s practice our place values!
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Write 231.367 in word and expanded form.Remember, deal with the numbers before the decimal first.
Two hundred thirty-one and three hundred sixty-seven thousandths.200 +
Let’s practice
30 + 1 + .06 + .007 .3 +
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Write the following number in standard form:
Nine hundred six and fifty-four ten-thousandths9 0 6 __ __ __ __5 40 0 .
< means “less than.”> means “greater than.”
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1. Line the numbers up vertically (up and down) by the ones place.
2. Start at the left and compare the digits.3. Move towards the right until you find a
difference.
ADD and SUBTRACT DECIMALSLine up decimals vertically
ORDERING DECIMALS
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Classwork:
• Play Hotel Decimalfonia to help you add and subtract decimals
• Practice Adding Decimals and Subtracting Decimals from AAA Math
• Complete Adding/Subtracting Decimals worksheet
Homework:Knowing Decimal worksheet