Vocabulary
Postulates/Theorems
Mix
Speed Math
X
100
A statement that can be proven.
What is a Theorem?
100
All right angles are congruent.
What is Theorem 2.3- Right Angles Congruence Theorem?
100
When two statements are both true and false.
What is Equivalent Statements?
100
20,480 ... 5,120 ... 1,280 ... 320. What is the pattern (left to rigth) and what will the next number be?
Pattern is dividing by 4. The next number will be 80.
100
if X is a point, there at least this many lines that go through point X.
What are 2?
200
When you find a pattern and the write a conjecture for the general case.
What is Inductive Reasoning?
200
A plane contains at least three noncollinear points.
What is Postulate 9?
200
If two planes intersect, then their intersection is a line.
What is Postulate 11?
200
What sets apart bi-conditional statements from the If...then... form.
It is set up with "if, and only if" in the midle of the statement.
200
If X is a line, there are at least this many points in it.
What are 2?
300
Taking the opposite of the original statement.
What is Negating?
300
Vertical angles are congruent.
What is Theorem 2.6- Vertical Angles Congruence Theorem?
300
Say the Contrapositive of "If a bear is a black bear, then it lives in North America."
Contapositive: If a bear does not live in North America, then it is not a black bear.
300
Say the Inverse of "If a bear is a black bear, then it lives in North America."
Inverse: If a bear is not a black bear, then it does not live in North America.
300
If 6X+3=9, this is the reason that 6X=-24.
What is the subtractive property?
400
Exchange the hypothesis and conclusion of the original statement.
What is Converse?
400
If two angles are supplementary to the same angle, then they are congruent.
What is Theorem 2.4- Congruent Supplements Theorem?
400
Using facts, definitions, accepted properties, and the laws of logic to form a logical argument.
What is Deductive Reasoning?
400
Say the Converse of "If a bear is a black bear, then it lives in North America."
Converse: If a bear lives in north America, then it is a black bear.
400
If X is a plane, then there are at least this many points on X, and they are this kind of point.
What are 3 noncollinear points?
500
Negate the hypothesis and the conclusion of a conditional statement.
What is Inverse?
500
If two points lie in a plane, then the line containing those lies in the plane.
What is Postulate 10?
500
-756 ... -504 ... -336 ... x. Solve for the value of x.
X=-224
500
What property makes the statement "The measure of an angle is equal to itself" true.
Reflexive Property of Equality.
500
If X is a right angle, then it is this to all other right angles.
What is congruent?
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