Lesson  2.1 , For use with pages  57-61 Copy and complete the statement with  <  or  > . 1. 27  ?  13 2. 15  ?  51 3. 6  ?  0
Lesson  2.1 , For use with pages  57-61 Copy and complete the statement with  <  or  > . ANSWER < ANSWER > ANSWER > 1. 27  ?  13 2. 15  ?  51 3. 6  ?  0
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Standards and Benchmarks 8.2.4
Chapter 2 Integers Understanding the four operations using positive and negative numbers
In this chapter you will also learn about and work with the coordinate plane, numerous number properties, opposites, absolute value, reciprocals, and the various sets of numbers in our INTEGER number set.
Integers and Absolute Value Section 2.1  P. 57   The students will learn to compare integers and simplify expressions.
Integers The set of integers can be described as all the whole numbers and their opposites. Integers =  { . . . -3, -2, -1, 0, 1, 2, 3, . . . } Number line: - 3  - 1  0  1  3
Section 2.1 The INTEGER  Number Line Negative  ORIGIN   Positive Zero is a neutral number.  It NEVER carries a positive or negative sign.  ____ + 0
Graph the following numbers: -4,  0,  1,  -2 Plotting  a point on the number line means the point has been  graphed . Put the numbers in order from least to greatest -4  -3  -2  -1  0  1  2  3  4
Two points that are the same distance from the origin but on opposite sides (of the origin) are  opposites . Name some opposites on this #-line -4  -3  -2  -1  0  1  2  3  4
Sometimes it is good to think of  money  or  temperatures  when comparing positive & negatives numbers.  Positive  -- a gain, an increase  - others? Negative – a loss,  a decrease, --??
Order these numbers from least to greatest:  -35,  18,  75,  -53,  -39, 62, 7, 0 Put >  or < sign  6  ___ -4  - 4 _____0  5_____-5 -37 ____-39  -9 _____9  -2 ____-8 > > < < > >
Order these numbers from least to greatest:  -35,  18,  75,  -53,  -39, 62, 7, 0 Put >  or < sign  6  ___ -4  - 4 _____0  5_____-5 -37 ____-39  -9 _____9  -2 ____-8
Hint: When the negative is next to a number it is read as a negative. (-3) When the negative sign is outside the parenthesis it is read as “the opposite of.” –(3) The expression  “ (-3)”  can be stated as “negative three” and the expression “-(3)” can be stated as “the opposite of three” Does zero have an opposite? - (-4)  = _____  - [ -(-5)]  = _____
Hint: When the negative is next to a number it is read as a negative. (-3) When the negative sign is outside the parenthesis it is read as “the opposite of.” –(3) The expression  “ (-3)”  can be stated as “negative three” and the expression “-(3)” can be stated as “the opposite of three” Does zero have an opposite? - (-4)  = _____  - [ -(-5)]  = _____ 4 -5
Absolute Value The  absolute value  of a real number is the  distance  between the origin and the point representing the number.   The symbol  |  a   |  represents the absolute value of  a . The absolute value of a number is  never  negative.
Note:  ABSOLUTE VALUE  is NOT the same as OPPOSITE.  They both have different meanings when working with the INTEGERS.  This is often a common mistake for students.
Examples: |  6 |  =  _______ |  0  |  =  _______ | -5  | =  _______  | -32 |  = _______ | 52  |  =  _______
Examples: |  6 |  =  _______ |  0  |  =  _______ | -5  | =  _______  | -32 |  = _______ | 52  |  =  _______ 0 6 5 52 32
Simplify:  - |  -8 |  =  _____ -  |  5  |  =  ______ - ( -5)  =  ______ -  ( 0 )  =  _____
Simplify:  - |  -8 |  =  _____ -  |  5  |  =  ______ - ( -5)  =  ______ -  ( 0 )  =  _____ -8 -5 5 0
Assignment P. 59  #1,  2-20 evens ,  21 – 32 all Read directions carefully!!

2.1 integers ws

  • 1.
    Lesson 2.1, For use with pages 57-61 Copy and complete the statement with < or > . 1. 27 ? 13 2. 15 ? 51 3. 6 ? 0
  • 2.
    Lesson 2.1, For use with pages 57-61 Copy and complete the statement with < or > . ANSWER < ANSWER > ANSWER > 1. 27 ? 13 2. 15 ? 51 3. 6 ? 0
  • 3.
  • 4.
  • 5.
  • 6.
    Chapter 2 IntegersUnderstanding the four operations using positive and negative numbers
  • 7.
    In this chapteryou will also learn about and work with the coordinate plane, numerous number properties, opposites, absolute value, reciprocals, and the various sets of numbers in our INTEGER number set.
  • 8.
    Integers and AbsoluteValue Section 2.1 P. 57 The students will learn to compare integers and simplify expressions.
  • 9.
    Integers The setof integers can be described as all the whole numbers and their opposites. Integers = { . . . -3, -2, -1, 0, 1, 2, 3, . . . } Number line: - 3 - 1 0 1 3
  • 10.
    Section 2.1 TheINTEGER Number Line Negative ORIGIN Positive Zero is a neutral number. It NEVER carries a positive or negative sign. ____ + 0
  • 11.
    Graph the followingnumbers: -4, 0, 1, -2 Plotting a point on the number line means the point has been graphed . Put the numbers in order from least to greatest -4 -3 -2 -1 0 1 2 3 4
  • 12.
    Two points thatare the same distance from the origin but on opposite sides (of the origin) are opposites . Name some opposites on this #-line -4 -3 -2 -1 0 1 2 3 4
  • 13.
    Sometimes it isgood to think of money or temperatures when comparing positive & negatives numbers. Positive -- a gain, an increase - others? Negative – a loss, a decrease, --??
  • 14.
    Order these numbersfrom least to greatest: -35, 18, 75, -53, -39, 62, 7, 0 Put > or < sign 6 ___ -4 - 4 _____0 5_____-5 -37 ____-39 -9 _____9 -2 ____-8 > > < < > >
  • 15.
    Order these numbersfrom least to greatest: -35, 18, 75, -53, -39, 62, 7, 0 Put > or < sign 6 ___ -4 - 4 _____0 5_____-5 -37 ____-39 -9 _____9 -2 ____-8
  • 16.
    Hint: When thenegative is next to a number it is read as a negative. (-3) When the negative sign is outside the parenthesis it is read as “the opposite of.” –(3) The expression “ (-3)” can be stated as “negative three” and the expression “-(3)” can be stated as “the opposite of three” Does zero have an opposite? - (-4) = _____ - [ -(-5)] = _____
  • 17.
    Hint: When thenegative is next to a number it is read as a negative. (-3) When the negative sign is outside the parenthesis it is read as “the opposite of.” –(3) The expression “ (-3)” can be stated as “negative three” and the expression “-(3)” can be stated as “the opposite of three” Does zero have an opposite? - (-4) = _____ - [ -(-5)] = _____ 4 -5
  • 18.
    Absolute Value The absolute value of a real number is the distance between the origin and the point representing the number. The symbol | a | represents the absolute value of a . The absolute value of a number is never negative.
  • 19.
    Note: ABSOLUTEVALUE is NOT the same as OPPOSITE. They both have different meanings when working with the INTEGERS. This is often a common mistake for students.
  • 20.
    Examples: | 6 | = _______ | 0 | = _______ | -5 | = _______ | -32 | = _______ | 52 | = _______
  • 21.
    Examples: | 6 | = _______ | 0 | = _______ | -5 | = _______ | -32 | = _______ | 52 | = _______ 0 6 5 52 32
  • 22.
    Simplify: -| -8 | = _____ - | 5 | = ______ - ( -5) = ______ - ( 0 ) = _____
  • 23.
    Simplify: -| -8 | = _____ - | 5 | = ______ - ( -5) = ______ - ( 0 ) = _____ -8 -5 5 0
  • 24.
    Assignment P. 59 #1, 2-20 evens , 21 – 32 all Read directions carefully!!