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Published byReynold Watts Modified over 9 years ago

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Do Now! How many sides does a pentagon have? What is the value of the 3 in this number? 326,619 How many seconds are in a minute? Finish the pattern… 0,3,6,9,12,__,__,__,__,

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Place Value Written and expanded notation Equal numbers

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Vocabulary < Less than > more than = equal to Whole number- Number greater than 0 without decimals

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Written Notation Written notation is the number in words. –521 is five hundred twenty one –1,546 is one thousand five hundred fourty six –5,176 –865 –25

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Expanded form Shows numbers in an extended addition form 458 is 400+50+8 456,251 is 400,000+50,000+6,000+200+50+1 965 456,563,100

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Comparing numbers Greater and less than 125 and 145 122,456 and 122,457

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Place Value with Decimals Decimal- Number smaller than one but greater than 0.

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Decimal Chart

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Decimal Decimals seem to go backwards when going through the units. At the end of each place value add the ending – ths

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What are the place values 152.456 1.01256 0.754695.0023.1.5236

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Place values Given the number 0.145362 What is in the thousandths place? Hundredths? Hundred thousandths? Tenths? Millionths? Ten thousandths?

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Comparing numbers with Decimals When comparing numbers that have decimals that are different, the bigger the number is the smaller the value!!! 123.456 is greater than 123.457 You must look at each digit very closely

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Lets practice Written form of –.120 –.4565

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Lets practice Expanded form of: –.1254 –.4521 –.12 –.85630

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Let’s practice Compare the numbers below 1.2563____1.1253 0.25896___0.1 0.256___.8546

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Final practice List from least to greatest 5.123 5.2365 2.1459.1524 0.12.524.8

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