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# Deductive Reasoning

## Drawing conclusions from facts.

Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.

## Deductive Reasoning

This concept introduces students to deductive reasoning using the laws of detachment, contrapositive, and syllogism.

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• Video

## Deductive Reasoning Principles

This video gives more detail about the mathematical principles presented in Deductive Reasoning.

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• Video

## Deductive Reasoning Examples

This video shows how to work step-by-step through one or more of the examples in Deductive Reasoning.

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• Practice
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## Deductive Reasoning Practice

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• Critical Thinking

## Deductive Reasoning Discussion Questions

A list of student-submitted discussion questions for Deductive Reasoning.

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To activate prior knowledge, make personal connections, reflect on key concepts, encourage critical thinking, and assess student knowledge on the topic prior to reading using a Quickwrite.

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To stress understanding of a concept by summarizing the main idea and applying that understanding to create visual aids and generate questions and comments using a Concept Matrix.

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To activate prior knowledge, make personal connections, reflect on key concepts, encourage critical thinking, and assess student knowledge on the topic prior to reading using a Quickwrite.

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To stimulate the critical thinking skills required to assess the validity of statements about the key concept using an Agree/Disagree Table.

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• Real World Application

## Deductive Reasoning

Have you ever argued with someone and couldn’t get your point across? What would it take to win your case is a court of law?

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• Study Guide