Grammarly
Grammarly Handbook: Logic in Argumentative Writing
An explanation and examples of several different types of logic that can be used in argumentative writing.
Oswego City School District
Regents Exam Prep Center: Types of Sentences
What is "Logic"? What is a "Mathematical sentence"? This website provides definitions of both of these terms and defines examples of mathematical sentences ("open sentence" and "closed sentence") and provides examples of each. Use the...
Oswego City School District
Regents Exam Prep Center: Negation: Not
Use this website to help you hone your critical thinking and math-problem solving skills. Learn what "Negation," is and how it applies when you are working on mathematical problems and sentences.
National Council of Teachers of Mathematics
Nctm: Figure This: Vcr
This resource presents an interesting challenge for the serious mathematician with strong reasoning skills. Explore proportional reasoning, probabilities, fractions, and ratios in this challenge to figure out if you always get six hours...
Lumen Learning
Lumen: Boundless Biology: The Science of Biology
Explore the concept of scientific reasoning, and compare and contrast hypothesis and theories while understanding the difference between deductive and inductive thinking.
Organization for Community Networks
Ofcn Lesson Plan: Deductive Reasoning
This OFCN lesson plan offers ideas for incorporating deductive reasoning problems into the classroom.
Lumen Learning
Lumen: Success Skills: Critical Thinking
This lesson focuses on critical thinking including a definition, examples, a video of critical thinking in action, logic in critical thinking, questions a critical thinker asks, guidelines for critical thinking, problem-solving, and...
Science Struck
Science Struck: Branches of Philosophy, Role in Contemporary Affairs
Describes the different branches of Philosophy and what their relevance is to today's world.
Mathigon
Mathigon: Axioms and Proof
Explore this course in logic, sets, and proof including topics of axioms, set theory, and proof by contradiction and induction.
Science Struck
Science Struck: Examples of Deductive Reasoning
Learn what deductive reasoning is and look at examples of how to apply it.
University of St. Andrews (UK)
University of St. Andrews: Kurt Godel
A fascinating glimpse into the life of Kurt Godel, the man responsible for Godel's Incompleteness Theorems.
University of St. Andrews (UK)
University of St. Andrews: Abu Ali Al Husain Ibn Abdallah Ibn Sina (Avicenna)
Good article on Ibn Sina (Avicenna), who is known for his scholarly studies and contributions to several academic fields and his written works, which include an autobiography. This article focuses on his influences in the areas of math...
Other
Csicop: Field Guide to Critical Thinking
This article, originally published in Skeptical Inquirer, outlines some of the key components of the scientific problem-solving process while addressing the many reasons for the popularity of paranormal beliefs in the U.S. (Published in...
CK-12 Foundation
Ck 12: Geometry: Converse, Inverse, and Contrapositive
[Free Registration/Login may be required to access all resource tools.] In this lesson students find the converse, inverse, and contrapositive of conditional statements. Students examine guided notes, review guided practice, watch...
CK-12 Foundation
Ck 12: Geometry: Converse, Inverse, and Contrapositive
[Free Registration/Login may be required to access all resource tools.] This concept introduces students to converses, inverses, contrapositives, and biconditional statements. Students examine guided notes, review guided practice, watch...
CK-12 Foundation
Ck 12: Analysis: Inductive Proofs
[Free Registration/Login may be required to access all resource tools.] Introduction to proofs of series sums by induction. Students examine guided notes, review guided practice, watch instructional videos and attempt practice problems.
Math Planet
Math Planet: Geometry: Proofs Using Algebra
Examples and a video lesson help to explain proofs and logic. [1:57]
ABCya
Ab Cya: Zippy Boxes
Zippy Boxes is a fun stress-free puzzle game that will keep you entertained for hours. Move the colored boxes to the square containing the same colored key to unlock the crazy creature trapped inside. Parents and children will have a...
CK-12 Foundation
Ck 12: Geometry: If Then Statements
[Free Registration/Login may be required to access all resource tools.] Rewrite statements in if-then form and determine the hypothesis and conclusion. Students can watch video, examine guided notes and attempt practice problems in order...
CK-12 Foundation
Ck 12: Geometry: Conjectures and Counterexamples
[Free Registration/Login may be required to access all resource tools.] This concept teaches students to make conjectures and provide counterexamples. Students examine guided notes, review guided practice, watch instructional videos and...
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...
ABCya
Ab Cya: Light on 2
Who turned off the lights? Well, we'll need your help turning them back on. Use logic and reasoning to light up the rooms with the different tools provided. Are you bright enough to complete this challenging puzzle game?
ABCya
Ab Cya: Mountain Hop
Mountain Hop is fun arcade game for kids of all ages! Guide the rabbit the down mountain while avoiding obstacles like spikes, wild animals and zombies! Collect stars to unlock new characters. How far you can make it down the mountain?