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Chris Giovanello, LBUSD Math Curriculum Office, 2004 Beat the Computer! Geometry Vocabulary for Unit 2

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Chris Giovanello, LBUSD Math Curriculum Office, 2004 Directions: A slide will appear with a term Say the definition aloud before the computer can answer (5 sec.) You will hear a sound when the slide changes

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Chris Giovanello, LBUSD Math Curriculum Office, 2004 conditional

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Chris Giovanello, LBUSD Math Curriculum Office, 2004 conditional: another name for an if-then statement If it is raining, then I will need my umbrella. pg. 68

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Chris Giovanello, LBUSD Math Curriculum Office, 2004 hypothesis

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Chris Giovanello, LBUSD Math Curriculum Office, 2004 hypothesis: the part following the if in an if-then statement If it is raining, then I will need my umbrella. pg. 68

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Chris Giovanello, LBUSD Math Curriculum Office, 2004 conclusion

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Chris Giovanello, LBUSD Math Curriculum Office, 2004 conclusion: the part following the then in an if-then statement If it is raining, then I will need my umbrella. pg. 68

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Chris Giovanello, LBUSD Math Curriculum Office, 2004 truth value

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Chris Giovanello, LBUSD Math Curriculum Office, 2004 truth value: the value, true or false, of a conditional statement pg. 69

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Chris Giovanello, LBUSD Math Curriculum Office, 2004 converse

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Chris Giovanello, LBUSD Math Curriculum Office, 2004 converse: a new statement that switches the hypothesis and conclusion of the original conditional statement pg. 69

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Chris Giovanello, LBUSD Math Curriculum Office, 2004 biconditional

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Chris Giovanello, LBUSD Math Curriculum Office, 2004 biconditional: a statement made by connecting the conditional and its converse with the words if and only if pg. 75

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Chris Giovanello, LBUSD Math Curriculum Office, 2004 deductive reasoning

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Chris Giovanello, LBUSD Math Curriculum Office, 2004 deductive reasoning: the process of reasoning logically from given statements to a conclusion pg. 82

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Chris Giovanello, LBUSD Math Curriculum Office, 2004 Law of Detachment

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Chris Giovanello, LBUSD Math Curriculum Office, 2004 Law of Detachment: If a conditional is true and its hypothesis is true, then its conclusion is true. pg. 83 If p q is a true statement and p is true, then q is true.

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Chris Giovanello, LBUSD Math Curriculum Office, 2004 Law of Syllogism

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Chris Giovanello, LBUSD Math Curriculum Office, 2004 Law of Syllogism: allows you to state a conclusion from two true conditional statements when the conclusion of one statement is the hypotheses of the other. pg. 83 If p q and q r are true statements, then p r is true.

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Chris Giovanello, LBUSD Math Curriculum Office, 2004 vertical angles

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Chris Giovanello, LBUSD Math Curriculum Office, 2004 vertical angles: two angles whose sides are opposite rays and 2 are vertical angles pg. 96

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Chris Giovanello, LBUSD Math Curriculum Office, 2004 adjacent angles

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Chris Giovanello, LBUSD Math Curriculum Office, 2004 adjacent angles: two coplanar angles that share a common vertex and side, but have no common interior points & 2 are adjacent angles 3 & 4 are adjacent angles pg. 96

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Chris Giovanello, LBUSD Math Curriculum Office, 2004 complementary angles

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Chris Giovanello, LBUSD Math Curriculum Office, 2004 complementary angles: two angles whose sum measures 90º & 2 are complementary X Y X & Y are complementary pg. 96

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Chris Giovanello, LBUSD Math Curriculum Office, 2004 supplementary angles

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Chris Giovanello, LBUSD Math Curriculum Office, 2004 supplementary angles: two angles whose sum measures 180º 12 1 & 2 are supplementary X Y X & Y are supplementary pg. 96

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Chris Giovanello, LBUSD Math Curriculum Office, 2004 linear pair

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Chris Giovanello, LBUSD Math Curriculum Office, 2004 linear pair: if two adjacent angles share one side but the two sides they do not share are not opposite rays 12 1 & 2 are a linear pair

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Chris Giovanello, LBUSD Math Curriculum Office, 2004 theorem

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Chris Giovanello, LBUSD Math Curriculum Office, 2004 theorem: a statement that must be proved to be true pg. 98

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Chris Giovanello, LBUSD Math Curriculum Office, 2004 paragraph proof

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Chris Giovanello, LBUSD Math Curriculum Office, 2004 paragraph proof: a proof written as sentences in a paragraph pg. 98

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