Scholastic
Scholastic: Math Maven's Mysteries: Mystery at the Third Strike Sports Store
Solve a mystery using your reasoning skills. At this site use all the clues and figure out the winner of the Third Strike Contest.
Scholastic
Scholastic: Math Maven's Mysteries: The Bell Clapper Caper
Help the Math Maven get the kids out of school on time. Someone has stolen the bell's clapper and if the bell doesn't ring at 3:00, the school doors will not open! You have to figure out the last question to ask the number one suspect.
Oswego City School District
Regents Exam Prep Center: Logic
Understanding mathematical language in problem solving can be a difficult concept to grasp. Sharpen your logical reasoning skills at this test prep site that explains the terms: if, and, or, implies, and only if, as they relate to math....
Other
Basket Math Interactive
Explore more than twenty math concepts such a perimeter, rounding, exponents, decimals, sign numbers, and more using this interactive basketball game. A Spanish version is also offered. Students results are tabulated daily.
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...
Quia
Quia: Story Problems With Mixed Practice
Your problem-solving skills are put to the test in this interactive word problem game on this site. Employ a variety of mathematical skills and strategies including logical reasoning and computation. Multiple choice problems created for...
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.
Maths Challenge
Maths challenge.net: Right Angle Reasoning
A geometry problem for students to use their mathematical reasoning skills to explain a right triangle property.
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.
University of Cambridge
University of Cambridge: Nrich: All the Digits
This site has a logic and reasoning math problem.
Microsoft
Microsoft Education Lesson Plan: Candy Is Dandy
Explore color distribution of M&M candies using this detailed lesson plan. An engaging integrated lesson that requires understanding of spreadsheets and formulas, and logical reasoning. Links to related websites.
Organization for Community Networks
Ofcn Lesson Plan: Deductive Reasoning
This OFCN lesson plan offers ideas for incorporating deductive reasoning problems into the classroom.
McGraw Hill
Glencoe Mathematics: Self Check Quiz on Reasoning & Proof
The online assessment demonstrates knowledge of concepts utilized in Geometry. The multiple choice questions test students on mathematical reasoning and proof.
Oswego City School District
Regents Exam Prep Center: Truth Value of Open Sentences
What happens when there is not enough information to solve a problem? Find out at this test prep site, how missing information or "open sentences" can change the value or truth of a math equation. Practice understanding and applying this...
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...
National Council of Teachers of Mathematics
Nctm: Figure This: Thirteen? Oh No! (Pdf)
If you're superstitious you may want to try this math challenge. Test your reasoning and number sense skills by finding out if there is a Friday the 13th every year. Discover how understanding number patterns and reasoning can be helpful...
National Council of Teachers of Mathematics
Nctm: Figure This: Don't Fall In
Have you ever wondered why manhole covers are round? Believe it or not, there is a logical, mathematical reason. See if you can figure it out in this NCTM Math Challenge for Families activity. A one-page activity with suggested life...
PBS
Pbs Learning Media: Think Math
Think Math offers a collection of 43 KET-produced resources from Math at the Core: Middle School, including 17 Scale City videos and interactives about proportional reasoning, 14 Wild Fractions animations and games that feature visual...
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
Math Planet
Math Planet: Geometry: Proofs Using Algebra
Examples and a video lesson help to explain proofs and logic. [1:57]
National Council of Teachers of Mathematics
Nctm: Figure This: Pigeonhole Principle
What is the possibility that another student in your school will have your exact same initials? Try this math challenge using logical reasoning and the "Pigeonhole principle," to discover how this could actually happen. An engaging...
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.
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.
ClassFlow
Class Flow: Mental Math
[Free Registration/Login Required] This flipchart is a group of one page starter exercises that require students to use logic to find the solution.