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4.2 Comparing and Ordering Decimals

4.2 Comparing and Ordering Decimals. How do we compare numbers < Less Than > Greater Than = Equal to We look at place value. Review. How do we order numbers decide if we are ordering greatest to least or least to greatest Compare two numbers at a time Place in proper order.

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4.2 Comparing and Ordering Decimals

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  1. 4.2Comparing and Ordering Decimals

  2. How do we compare numbers • < Less Than • > Greater Than • = Equal to • We look at place value Review • How do we order numbers • decide if we are ordering greatest to least or least to greatest • Compare two numbers at a time • Place in proper order

  3. LEFT Hand  LESS THAN < • RIGHT HAND  GREATER THAN > • BOTH HANDS  EQUAL TO = Quick Practice 1000 ____ 1,001 12,435 ____ 12,345 One million ____ 1,000,000 = Both Hands > Right Hand < Left Hand

  4. What is larger? 0.1 – One Tenth or 0.01 One Hundredth Why are decimals different?

  5. > 0.1 ______ 0.0999999 0.09 ______ 0.001 0.84 ______ 0.84000000 0.0555 ______ 0.5 6.7 ______ 7.1 Why are they SO Tricky > = < <

  6. Line up numbers by place value (Decimal Dave) 2) Start at the LEFT and find the place where the digits are different 3) Compare those digits 4) Put in proper symbol <, > or = Steps for Comparing Decimals

  7. Compare the numbers two at a time 2) List them from greatest to least or least to greatest Steps for Ordering Decimals

  8. 1) 0.890 _________ 0.9 2) Order from Least to Greatest 0.6 0.66 6.7 0.07 < 0.07 0.6 0.66 6.7 3) Order from Greatest to least 0.4 4.4 0.044 4.44 4) 0.2000 ________ 0.2 = 4.44 4.4 0.4 0.044

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