Organization for Community Networks
Ofcn Lesson Plan: Deductive Reasoning
This OFCN lesson plan offers ideas for incorporating deductive reasoning problems into the classroom.
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Deductive Reasoning
An explanation and description of deductive reasoning in solving problems at this site from The Math Forum. Simple and helpful information.
CK-12 Foundation
Ck 12: Geometry: Deductive Reasoning
[Free Registration/Login may be required to access all resource tools.] In this lesson students use deductive reasoning to solve problems. Students examine guided notes, review guided practice, watch instructional videos and attempt...
CK-12 Foundation
Ck 12: Geometry: Deductive Reasoning
[Free Registration/Login may be required to access all resource tools.] This concept introduces students to deductive reasoning using the laws of detachment, contrapositive, and syllogism. Students examine guided notes, review guided...
CK-12 Foundation
Ck 12: Chemistry: Scientific Problem Solving
[Free Registration/Login may be required to access all resource tools.] Describes scientific problem solving and the scientific method.
Other
Aristotle & Logic: Syllogisms & Inductive Reasoning
From a larger college website, this page provides a good description of syllogisms as well as inductive reasoning.
CK-12 Foundation
Ck 12: Chemistry: Scientific Problem Solving
[Free Registration/Login may be required to access all resource tools.] Introduces the scientific method and presents the difference between a theory and a law.
Maths Challenge
Maths challenge.net: Painted Faces
Mathchallenge offers this mathematical reasoning problem, a one star problem requiring nothing more than a logical mind and paper and pencil, to deduct the painted faces problem
Cut the Knot
Cut the Knot!: Mathematics: The Science of Patterns
A book excerpt, this page discusses John Venn's "simple, geometric method for checking the validity of syllogisms," with diagrams, examples, and related links.
University of Cambridge
University of Cambridge: Nrich: Code Breaker
Do your logic skills need sharpening? Use the interactive code breaker to at this one page website to do just that! The solution is available to double check your solution.
McREL International
Mc Rel: Glue Polymer (Whelmer #15 Learning Activity)
An easy to do activity that investigates the basic principles behind chemical bonding. The activity is written in lesson plan format that meets NSES standards.
McREL International
Mc Rel: Whelmer #11 Learning Activity: Straw Oboes
An easy to do activity that investigates sound waves, wave length, frequency and pitch. The activity is presented in a lesson plan format that meets NSES standards.