Is Sherlock Holmes an inductivist or a deductivist? Users of this interactive to distinguish between inductive and deductive reasoning. They consider in various situations whether it is better to list evidence and then introduce a claim...

Whodunnit? Find out who killed Mr. Brooks through a logical examination of evidence. Class members fill out a couple of data tables to help them pin down the suspect. After they've figured out just who the culprit is, pupils compose...

This a fun problem for young geometers to play with while gaining important insight into deductive reasoning. Some will find the answers very quickly, others might take a less direct path, but all will use their knowledge of the sum of...

Test your pupils' reasoning skills with several activities and a quick mystery to solve. Learners watch and analyze a few video clips that demonstrate reasoning in action, practice deduction with an interactive and collaborative...

Investigate the attributes of polygons. A thorough set of lessons presents problem scenarios for elementary through high school classes. The first lessons focus on basic characteristics of polygons, including the line of symmetry. As the...

Young geometers apply their deductive reasoning skills and knowledge of proving triangles congruent in a task that asks them to prove if a point lies on the perpendicular bisector of a segment, then it is equidistant from the endpoints...

This activity focuses in on the structure of an equation and how it compares to another. Young algebraists are tasked with grouping together equations that have the same solution by focusing on the transformation of the equations rather...

An explanation and description of deductive reasoning in solving problems at this site from The Math Forum. Simple and helpful information.

Part of a University of Toronto website, this page defines and describes deductive and inductive reasoning in solving mathematical problems.

A simple discussion of the differences between inductive and deductive reasoning. Helpful to anyone who is having difficulty differentiating between the two.

This site explains what deductive and inductive reasoning is. The site also explains abductive reasoning.

From a larger college website, this page provides a good description of syllogisms as well as inductive reasoning.

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

Based off of the hit television show NUMB3RS, this lesson focuses more on logic and deduction than on formal mathematics. The game of tic-tac-toe is simplified and given different variations, and in each variation students are to...

A very challenging game of strategy and skill from Backgammon Galore. The student plays backgammon against a computer program. Included is a page on instructions so the student can learn the game.

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.