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Do Now!

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,__,__,__,__,. Place Value. Written and expanded notation Equal numbers. Vocabulary. < Less than > more than = equal to

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Do Now!

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  1. 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,__,__,__,__,

  2. Place Value Written and expanded notation Equal numbers

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

  4. 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

  5. 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

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

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

  8. Decimal Chart

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

  10. What are the place values • 152.456 • 1.01256 • 0.754695 • .0023 • .1 • .5236

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

  12. 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

  13. Lets practice • Written form of • .120 • .4565

  14. Lets practice • Expanded form of: • .1254 • .4521 • .12 • .85630

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

  16. Final practice • List from least to greatest • 5.123 • 5.2365 • 2.1459 • .1524 • 0.12 • .524 • .8

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