University of Cambridge
University of Cambridge: Nrich: Building Stars
This interactive activity gives you an opportunity to color in a tessellation that is different from the usual. Read the short introduction to find out more about this tessellation that doesn't repeat.
University of Cambridge
University of Cambridge: Nrich: Making Rectangles
On this one page website sharpen your logicand pattern recognition skills while working on this rectangle challenge. The solution is available to double check your solution.
University of Cambridge
University of Cambridge: Nrich: It Figures!
Learn fraction multiplication with this fun tutorial.
University of Cambridge
University of Cambridge: Nrich: Making Cuboids
How many different cuboids can you make? Learn how and learn how to represent data with your results.
Mensa Espana
Mensa: Juegos De Ingenio Del Club Mensa (096 100)
Get ready for future math competitions with these five math problems. Each problem is marked according to their levels of difficulty.
Mensa Espana
Mensa: Juegos De Ingenio Del Club Mensa (221 225)
Get ready for future math competitions with these five math problems. Each problem is marked according to their levels of difficulty.
University of Cambridge
University of Cambridge: Nrich: Pumpkin Pie Problem
On this one page website sharpen your logic, graphing and pattern recognition skills while working on this challenge. The solution is available to double check your solution.
University of Cambridge
University of Cambridge: Nrich: Put Out the Flags
Sharpen your logic and percent skills while working on this challenge. A strategy for solving the problem and the solution are available from links on the left.
National Council of Teachers of Mathematics
Nctm: Figure This: Tan, Don't Burn
How about a math challenge for a sunny day at the beach? Apply your problem solving, number sense, and logical reasoning skills to find out how long it would take Helix to get sunburned using SPF 10 lotion. Discover why understanding...
National Council of Teachers of Mathematics
Nctm: Figure This: The Race [Pdf]
A challenge that combines skills in problem solving and logical reasoning. See if you can figure out who will win the race by determining the rate of speed of each runner. A one page activity from NCTM Math Challenges for Families...
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...
ClassFlow
Class Flow: Brain Sizzlers
[Free Registration/Login Required] This flipchart contains one page logic puzzles adapted from the book Brain Sizzlers. These activities make great warm ups for math grades 6- algebra.
Other
Websudoku
A fun puzzler to get any mind thinking logically! Try many levels of puzzles using the following rules: "Enter digits from 1 to 9 into the blank spaces. Every row must contain one of each digit. So must every column, as must every 3x3...
Mensa Espana
Mensa: Juegos De Ingenio Del Club Mensa (026 030)
These math problems can help to prepare you for future math competitions. Each problem is marked according to their levels of difficulty.
Mensa Espana
Mensa: Juegos De Ingenio Del Club Mensa (031 035)
These math problems can help to prepare you for future math competitions. Each problem is marked according to their levels of difficulty.
Mensa Espana
Mensa: Juegos De Ingenio Del Club Mensa (036 040)
These math problems can help to prepare you for future math competitions. Each problem is marked according to their levels of difficulty.
Mensa Espana
Mensa: Juegos De Ingenio Del Club Mensa (041 045)
These math problems can help to prepare you for future math competitions. Each problem is marked according to their levels of difficulty.
Mensa Espana
Mensa: Juegos De Ingenio Del Club Mensa (046 050)
These math problems can help to prepare you for future math competitions. Each problem is marked according to their levels of difficulty.
Mensa Espana
Juegos De Ingenio Del Club Mensa (051 055)
Solve these math problems to practice for future math competitions. Each problem is marked according to their levels of difficulty.
Mensa Espana
Mensa: Juegos De Ingenio Del Club Mensa (056 060)
Solve these math problems to practice for future math competitions. Each problem is marked according to their levels of difficulty.
Mensa Espana
Mensa: Juegos De Ingenio Del Club Mensa (061 065)
Solve these math problems to practice for future math competitions. Each problem is marked according to their levels of difficulty.
Mensa Espana
Mensa: Juegos De Ingenio Del Club Mensa (066 070)
Get ready for future math competitions with these five math problems. Each problem is marked according to their levels of difficulty.
Mensa Espana
Mensa: Juegos De Ingenio Del Club Mensa (071 075)
Get ready for future math competitions with these five math problems. Each problem is marked according to their levels of difficulty.
Mensa Espana
Mensa: Juegos De Ingenio Del Club Mensa (076 080)
Get ready for future math competitions with these five math problems. Each problem is marked according to their levels of difficulty.