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    If Then Statements Math

    Uploaded by

    Wensyl Mae De Guzman
    If then Statement

    Copyright:

    © All Rights Reserved
    Download as PPTX, PDF, TXT or read online from Scribd

    If Then Statements Math

    Uploaded by

    Wensyl Mae De Guzman
    237 views18 pages
    If then Statement

    Copyright

    © © All Rights Reserved

    Available Formats

    PPTX, PDF, TXT or read online from Scribd

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    If then Statement

    Copyright:

    © All Rights Reserved
    Download as PPTX, PDF, TXT or read online from Scribd
    Download as pptx, pdf, or txt
    237 views18 pages

    If Then Statements Math

    Uploaded by

    Wensyl Mae De Guzman
    If then Statement

    Copyright:

    © All Rights Reserved
    Download as PPTX, PDF, TXT or read online from Scribd
    Download as pptx, pdf, or txt
    of 18

    If-Then Statements

    WINTE
    Template

    Regr
    R

    ets
    WINTE
    Templat

    R
    e
    combination of two
    statements p and q and by the
    words if and then
    “If p, then q.”

    Ma. Irene G. Gonzales ©


    2015
    WINTE
    Template

    R
    p: Two distinct planes
    intersect.
    q: The intersection is a line.
    Conditional:
    If two distinct planes intersect,
    p
    then their intersection is a line.
    Ma. Irene G. Gonzales ©
    2015 q
    if-then statement
    In symbols, read if p then q,
    p q or p implies q

    Ma. Irene G. Gonzales ©


    2015
    Take note!
    Conditional statements might NOT always
    be written in the “if-then” form.
    Examples:
    I’ll wash the car if the weather is nice.
    If the weather is nice, then I will wash the car.

    I’ll be a millionaire when I win the lottery.


    If I win the lottery, then I will be a
    millionaire.
    Ma. Irene G. Gonzales ©
    2015
    Identify the HYPOTHESIS and the
    CONCLUSION.
    Example 1
    If I win the game, then I’ll get a prize.

    hypothesis conclusion
    Example 2
    If I say bad words, then I will be punished.

    hypothesi conclusion
    s
    Ma. Irene G. Gonzales ©
    2015
    Identify the HYPOTHESIS and the
    CONCLUSION.
    Example 3
    If I study hard, then I will graduate.

    hypothesis conclusion
    Example 4
    I’ll bring an umbrella if it rains tomorrow.

    conclusion hypothesi
    s
    Ma. Irene G. Gonzales ©
    2015
    Identify the HYPOTHESIS and the
    CONCLUSION.
    Example 5
    I’ll wash the dishes when I’m not busy.

    conclusion hypothesis
    Example 6
    My mom will reward me after passing
    the test.
    conclusion hypothesi
    s
    Ma. Irene G. Gonzales ©
    2015
    Identify the HYPOTHESIS and the
    CONCLUSION.
    Example 7 WINTE
    hexagon.
    hypothesis
    R
    If a polygon has siTxesmidpesl,attheenit is a

    conclusion
    Example 8
    If a number is even, then it is divisible by two.

    hypothesi conclusion
    s
    Ma. Irene G. Gonzales ©
    2015
    Write the following statements in if-then
    form.
    Example 1
    Cheese contains calcium.
    If it is a cheese, then it contains
    calcium.

    Example 2
    Eighteen-year-olds are eligible to drive.
    If you are
    eligible to eighteen years old, then you
    are
    drive.
    Ma. Irene G. Gonzales ©
    2015
    Write the following statements in if-then
    form.
    Example 3
    Thomasians are humble.
    If you are a Thomasian, then you are humble.

    Example 4
    A right angle measures 90 degrees.
    If it is a right angle, then it measures 90
    degrees.

    Ma. Irene G. Gonzales ©


    2015
    Write the following statements in if-then
    form.
    Example 5
    In the equation 10x = 5, x = 2.
    If 10x = 5, then x = 2.

    Example 6
    A polygon with four sides is a
    quadrilateral.
    If a polygon has four sides, then it is a
    quadrilateral.

    Ma. Irene G. Gonzales ©


    2015
    Write the following statements in if-then
    form.
    Example 7
    All congruent segments have the same
    length.
    If segments
    same length.are congruent, then they have
    the
    Example 8
    All congruent angles have the same
    angle measure.
    If angles are congruent, then they have
    the
    angle same
    Ma. Irenmeasure.
    e G. Gonzales ©
    2015
    Conditionals: True or
    False? W
    Conditionals can be

    IN T E R
    the following:
    eith er
    • fact
    true or f
    if it can be verified by
    alse .
    T e
    A conditional is tr u e
    mplate
    • definition
    • property
    • postulate
    • theorem
    Ma. Irene G. Gonzales ©
    2015
    False? W
    Conditionals: True or
    Conditionals can be

    eith er IN T E R
    true or f alse .
    Template
    A false conditional occurs when:
    the hypothesis is TRUE
    the conclusion is FALSE
    Example:
    If there are three non-collinear points, then four lines
    M a. Ire
    are ne G. Gonzales ©
    formed.
    2015
    Try these! Drill # 1(1/4 sheet of
    paper) R
    Write each statem
    Templat W
    ent in
    1. The measure ofean acute angle is between
    0 and 90.
    2. Equilateral triangles are equiangular.

    I N T E
    3. All whole numbers are integers.
    i f-t hen f orm .

    Ma. Irene G. Gonzales ©


    2015
    Try these! Drill # 1(1/4 sheet of
    paper) R
    Write each W T
    statem e m p
    ent l
    in
    1. The measure of a n ac u t e a ngle is
    a t e
    between 0 and 90.
    If an angle is acute, then its measure

    I N T E
    is between 0 to 90.
    2. Equilateral triangles are
    i f-t hen f If triangles
    equiangular. orm are .
    equilateral, then it is equiangular.
    3. All whole numbers are integers.
    If it is a whole number, then it is
    Ma. Iran integer.
    ene G. Gonzales ©
    2015

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