Critikid

Formal logic (also called symbolic logic) helps us to make sense of complex arguments. It uses symbols to represent ideas and the connections between them. When we learn symbolic logic, we gain the skills to evaluate arguments, as well as to construct our own rational arguments. This worksheet pack covers the foundations of logic by introducing the following topics: What is an argument?How arguments can go wrongTypes of sentencesLogical symbols: negation, conjunction, disjunction, conditional, b

Printable logic puzzle cards with answers and explanations. Some of these require straightforward logical reasoning, some ask you to think outside the box, some are easier than they look, and many are harder than they seem. While some of these can be tackled by kids, many of them are challenging even for adults. They’re great for classrooms, homeschool, or anyone who enjoys a good “aha!” moment. The printable version is in black and white for easy printing, but I recommend using colourful paper

Teach your grades 3-7 students about ten common logical fallacies with these engaging and easy-to-use lesson plans and worksheets. What's IncludedLesson Plans: Ten detailed lesson plans, each one focusing on a different logical fallacy.Worksheets: Ten printable worksheets, one for each lesson.Fallacy Handbook: A short, simple guide for teachers to familiarize themselves with logical fallacies before teaching them.The FallaciesCircular reasoningReversed burden of proofFalse dilemmaTu quoqueAppeal

This handbook gives an overview of six formal fallacies (syllogistic fallacies) with real-world examples: Affirming the ConsequentDenying the AntecedentDenying a ConjunctAffirming a DisjunctFallacy of the Undistributed MiddleFallacy of Four TermsA free digital version is available here.

This printable handbook explains eight common mistakes people make when collecting and interpreting data. Each section gives a clear definition with examples. Recognizing and avoiding these mistakes helps us critically evaluate the information we encounter. Selection BiasRegression to the MeanCorrelation and CausationClustering IllusionGambler's FallacyBase Rate FallacySurvivorship BiasSimpson's ParadoxRecommended for teens and adults. An online version is available on Critikid.

This worksheet explains how scientists use the words facts, laws, and theories. It's designed for middle school and up, but can also work for any older kids (or adults) who want to talk about science more precisely.

Being able to spot logical fallacies helps to keep conversations on track. In this free 4-minute video, kids will learn to recognize and respond to circular reasoning through a sci-fi adventure.