Logic Quizizz
Authored by McKayla Snedeker
Mathematics
9th Grade
CCSS covered
Used 5+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Refer to the following statement: "If a polygon is a quadrilateral, then it is a trapezoid."
What is the inverse of this statement?
If the polygon is not a quadrilateral, then it is not a trapezoid.
If the polygon is not a trapezoid, then it is not a quadrilateral.
If the polygon is a trapezoid, then it is a quadrilateral.
A rectangle is also a quadrilateral.
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Refer to the following statement: "If a polygon is a quadrilateral, then it is a trapezoid."
What is the contrapositive of this statement?
If a polygon is a trapezoid, then it is a quadrilateral.
If a polygon is not a quadrilateral, then it is not a trapezoid.
If a polygon is not a trapezoid, then it is not a quadrilateral.
A rectangle is also a quadrilateral.
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Refer to the following statement: "If a polygon is a quadrilateral, then it is a trapezoid."
What is a counterexample of this statement?
If a polygon is a trapezoid, then it is a quadrilateral.
If a polygon is not a quadrilateral, then it is not a trapezoid.
If a polygon is not a trapezoid, then it is not a quadrilateral.
A rectangle is also a quadrilateral.
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The statement "an angle is a right angle if and only if its measure is 90o" is an example of what type of statement?
Conditional
Conjecture
Biconditional
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What are the missing numbers in this pattern?
12, 15, ___, 21, ____, 27
Tags
CCSS.2.NBT.A.2
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Where would the next red square be?
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Used to prove that a conjecture is false.
Tags
CCSS.HSG.CO.B.7
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