National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Logic Definitions: Inductive & Deductive
This site explains what deductive and inductive reasoning is. The site also explains abductive reasoning.
Texas A&M University
Wtamu Virtual Math Lab: Beginning Algebra: Reasoning Skills
A tutorial on reasoning skills focusing on both inductive and deductive reasoning. Has several examples and exercises with answers and discussion.
Organization for Community Networks
Ofcn Lesson Plan: Deductive Reasoning
This OFCN lesson plan offers ideas for incorporating deductive reasoning problems into the classroom.
University of Toronto (Canada)
University of Toronto: Deductive and Inductive Reasoning
Part of a University of Toronto website, this page defines and describes deductive and inductive reasoning in solving mathematical problems.
TED Talks
Ted: Ted Ed: Can You Solve the Temple Riddle?
Your expedition finally stands at the heart of the ancient temple. But as you study the inscriptions in the darkness, two wisps of green smoke burst forth. The walls begin to shake. The giant sandglass begins flowing with less than an...
Oswego City School District
Regents Exam Prep Center: Working With Logic
Test your logic and knowledge of conditionals, biconditionals, negations, conjunctions, and disjunctions in this twelve-question quiz. Answer each question on your own, then see what the answer and the reasoning behind the answer are.
University of Cambridge
University of Cambridge: Nrich: Routes 1 and 5
Sharpen your logic and basic arithmetic skills while working on this challenge. Solution.
University of Cambridge
University of Cambridge: Nrich: The Hare and the Tortoise
On this one page website sharpen your logic and rate measurement skills while working on this challenge. The solution is available to double check your solution.
University of Cambridge
University of Cambridge: Nrich: Walk and Ride
On this one page website sharpen your logic and rate measurement skills while working on this challenge. The solution is available to double check your solution.
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: The Value of Two Column Proofs
This site explains why we prove things. The explanation gives real world scenarios and an everyday example of why we should learn how to prove things.
Oswego City School District
Regents Exam Prep Center: Conjunction: And
Learn what a conjunction is and why it is important to know what a conjunction is when using logic to solve mathematical problems. This website includes examples of the conjunction "and" used in mathematical sentences and a "truth table."
Math Slice
Math Slice: Smart Guess Game
Can you guess the correct number between 1 and 99 in less than 30 tries? Play this fast paced, interactive game that tests your number sense and reasoning skills. If your are a great guesser, your name will be posted.
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.
![Pbs Mathline: Bead Dazzling (Proportional Reasoning) [Pdf] Lesson Plan](https://content.lessonplanet.com/knovation/original/114246-c0ff81bc865fdf767397fcd7c31f2652.jpg?1661409083 "Pbs Mathline: Bead Dazzling (Proportional Reasoning) [Pdf] Lesson Plan")
PBS
Pbs Mathline: Bead Dazzling (Proportional Reasoning) [Pdf]
A comprehensive instructional activity on algebraic thinking where learners create and identify patterns using proportional reasoning. Research based, this instructional activity includes technology connections, items for discussion, and...
Math Slice
Math Slice: Online Mathematics Practice (Mock) Tests for Grades 4 Through 5
A collection of mock math tests, designed for grades 3-5, modeled after portions of standardized tests.
Math Planet
Math Planet: Geometry: If Then Statement
If-then statements are explained throught the use of examples and a video lesson. [1:16]
University of Cambridge
University of Cambridge: Nrich: Amy's Dominoes
On this one page website sharpen your logic and problem solving skills while working on this challenge. The solution is available to double check your solution.
University of Cambridge
University of Cambridge: Nrich: Chocs, Mints, Jellies
On this one page website, logic and other problem solving skills will help you find a variety of solutions to this sweet dilemma. The University of Cambridge provides possible solutions to aid you in your decision making.
University of Cambridge
University of Cambridge: Nrich: 1, 2, 3, 4, 5
On this one page website sharpen your logic and problem solving skills while working on this challenge. The solution is available to double check your solution.
University of Cambridge
University of Cambridge: Nrich: Make 100
On this one page website sharpen your logic and problem solving skills while working on this challenge. The solution is available to double check your solution.
University of Cambridge
University of Cambridge: Nrich: A Magical Number Maze!
On this one page website sharpen your logic and problem solving skills while working on this challenge. The solution is available to double check your solution.
University of Cambridge
University of Cambridge: Nrich: Christmas Shopping
On this one page website sharpen your logic and problem solving skills while working on this challenge. The solution is available to double check your solution.
University of Cambridge
University of Cambridge: Nrich: Seating Arrangements Plus!
Using your reasoning skills and the clues provided, try to figure out who is sitting where at this table of six. Check the solution and see if you are correct. You can choose similar games and math problems on this page, or choose math...
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...