Texas Education Agency (TEA)
Evaluating the Effectiveness of Arguments, i.e., Identify Fallacies (English III Reading)
A series of interactive exercises provide users with the ammunition they need to detect logical fallacies and defend themselves against persuasion. Learners read about 11 types of logical fallacies and identify the type used in sample...
Mt. San Antonio Collage
Elementary Geometry
Your class may believe that geometry is a trial, but they don't know how right they are. A thorough math lesson combines the laws of logic with the laws of geometry. As high schoolers review the work of historical mathematicians and the...
Curated OER
Measuring Angles
Solve and complete 18 problems about angles. First, demonstrate that each conjecture is false by giving a counterexample. Then write the inverse, contrapositive, and converse for the each statement. In addition, write a biconditional...
Curated OER
Standardized Geometry Test Practice
In this angles, lines and figures review worksheet, 10th graders solve and complete 33 standardized multiple choice problems. First, they use the Segment Addition Postulate to solve for a variable given an equation for each line. Then,...
Curated OER
Easy Worksheet: Law of Syllogism/Detachment
In this law of syllogism/detachment worksheet, students solve 10 short answer problems. Students combine two or three if-then statements using the law of syllogism or law of detachment.
Curated OER
Easy Worksheet: Law of Syllogism and Law of Detachment
In this law of syllogism and law of detachment worksheet, students solve 4 short answer problems. Students use the law of syllogism or law of detachment to come to a conclusion about a set of if-then statements.
Curated OER
Logic
In this geometry instructional activity, 10th graders use Venn diagrams to describe conditional statements and use the Law of Detachment or the Law of Syllogism to find a valid conclusion to an argument. The two page instructional...
Curated OER
Conditional Statements
For this conditional statements worksheet, 11th graders solve and complete 15 various types of problems. First, they determine if a conclusion can be reached from the two statements using the law of detachment or the law of syllogism....
Curated OER
Deductive Reasoning
In this deductive reasoning worksheet, 10th graders solve 6 various problems applying deductive reasoning to each. First, they determine if a valid conclusion can be reached from the 2 true statements using the Law of Detachment or the...
Curated OER
Deductive Reasoning
For this deductive reasoning worksheet, students solve ten different problems by applying deductive reasoning to each one. First, they determine if a valid conclusion can be reached from each of the 2 true statements given using the Law...