University of Cambridge
University of Cambridge: Nrich: Instant Insanity
Excellent interactive challenge working with cube nets to stack them in a specific order. Manipulate the cubes online to solve the problem.
PBS
Pbs Learning Media: Logical Leaps: Rational Numbers on the Number Line
In this interactive, use logic to solve riddles involving a wallaby jumping contest.
PBS
Pbs Learning Media: Logical Leaps: Fractions, Mixed Numbers, and Decimals on the Number Line
n this interactive, students use logic to solve three riddles involving a frog jumping contest and then place the contestants' jumps at the correct points on the number line.
Texas A&M University
Wtamu Virtual Math Lab: Beginning Algebra
This tutorial for students new to algebra provides explanations, definitions, examples, and practice problems. The practice tests cover topics such as real numbers, fractions, equations, graphing, and exponents.
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
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.
Other
Mr Barton Maths: Maths and Logic Puzzles
A collection of thirty math and logic puzzles that are sure to get students thinking and problem solving.
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.
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.
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.
Other
Juegos, Acertijos, Y Recreaciones Matematicas
In Spanish. A variety of logic problems, including puzzles and word problems with links to the answers. An excellent site to engage Spanish speaking students.
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...
Iowa State University
Math Jeopardy
It's time for Jeopardy. Detailed directions and suggested game questions are given for Math Jeopardy. Questions are attached in a PDF file that can be downloaded and printed.
Alabama Learning Exchange
Alex: Fun With Problem Solving
The object of this lesson is to teach students that problem solving can be interesting and fun. It is important to pay attention to what is asked and information that is in the problem.This lesson plan was created as a result of the...
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...
Mensa Espana
Mensa Espana: Lista De Problemas
Spanish content. An extensive compilation of logic and reasoning problems approved by MENSA. Problems are arranged according to difficulty. Each problem is linked to it's solution. A terrific resource for extention and supplemental...
Math Playground
Math Playground
A collection games, word problems, logic puzzles, and math videos that elementary and middle school students can practice their math skills. Model math problems using blocks, work with online flash cards, complete worksheets, and more.
Maths Challenge
Maths challenge.net: Children in a Circle
A "one star" geometry problem that requires problems solving skills where drawing a picture might help with the answer.
University of Cambridge
University of Cambridge: Nrich: Mrs. Beeswax
This logic problem involves putting gold coins in plum pudding. A solution is available to check your results.
University of Cambridge
University of Cambridge: Nrich: Team Scream
This logic problem will require you to figure out a variety of combinations. The solution is available on this one page NRich website.
Math Slice
Math Slice: Bricks 21 Game
To win this strategic game you must lay the 21st brick. That is what makes this interactive game challenging. Play against the computer or a partner. Winners will have their names posted for the day.
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.
University of Cambridge
University of Cambridge: Nrich: Routes 1 and 5
Sharpen your logic and basic arithmetic skills while working on this challenge. Solution.