

Deductive Reasoning
Presentation
•
Mathematics
•
1st - 12th Grade
•
Medium
+2
Standards-aligned
BRITTANY GIBSON
Used 21+ times
FREE Resource
5 Slides • 5 Questions
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Deductive Reasoning
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What is Deductive Reasoning???
It is a process of reasoning using given and previously known facts to reach a logical conclusion.
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Open Ended
Given that a conditional and its hypothesis are true, can you determine whether the conclusion is true?
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Multiple Choice
Use the Law of Detachment to draw a conclusion from the two given statements. If not possible, write not possible.
Conditional: If n is an even number, then it is divisible by 2.
Premise: 4834 is an even number.
4834 is an integer.
4834 is divisible by 2.
4834 is not divisible by 2.
not possible
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Multiple Choice
If possible, use the Law of Detachment to draw a conclusion from the two given statements. If not possible, write not possible.
Conditional: If points lie on a line, then they are collinear.
Premise: Points X, Y, and Z are in line m.
They are not collinear.
They are collinear.
They are points.
No conclusion can be made.
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Multiple Choice
If possible, use the Law of Detachment to draw a conclusion from the two given statements. If not possible, write not possible.
Conditional: If there is lightening, then it is not safe to out in the open.
Premise: Mary sees lightening from her home
It is not safe for the lightening.
It is not safe for Marty to be out in the open.
There is lightening.
No conclusion can be made.
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Multiple Choice
If possible, use the Law of Detachment to draw a conclusion from the two given statements. If not possible, write not possible.
Conditional: If x = 2, then 2x – 10 = –6.
Premise: x = 2
2x – 10 = –6
If 2x – 10 = –6, then x = 2
x = 2
not possible
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Deductive Reasoning
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