• Braingle: Math Brain Teasers

www.braingle.com/Math.html Thousands of Math brain teasers to get your mind thinking.
• Math Brain Teasers - Syvum Technologies

www.syvum.com/teasers Syvum's Math Puzzle & Brain Teaser Collection contains free online interactive brain teasers & math puzzles with answers & explanations
• Math Brain Teasers

brainden.com/cool-math-games.htm Solve easy and hard math brain teasers where only basic maths skills are required.

• Mathematical Brain-Teasers - amazon.com

www.amazon.com/Mathematical-Brain-Teasers-James-A-Hunter/dp/0486233472 Mathematical Brain-Teasers [James A. H. Hunter] on Amazon.com. *FREE* shipping on qualifying offers. 150 tantalizing teasers including coin and change problems ...
• Math Brain Teasers - Illuminations

illuminations.nctm.org/BrainTeasers.aspx Sliding Triangle. The triangle at left lies on a flat surface and is pushed at the top vertex. The length of the congruent sides does not change, but the angle ...
• Fun Brain Teasers - Mind Bending Math Logic

www.kidsmathgamesonline.com/funstuff/brainteasers.html Fun Brain Teasers. Check out our fun brain teasers and enjoy a range of mind bending math logic that is sure to get you thinking. Put your ability with numbers and ...
• Math Teasers-NCES Kids Zone

nces.ed.gov/nceskids/grabbag/math_teasers/challenge.asp Math Teasers-Math/statistic challenges. Every month we will give you a math/statistics brain teaser that lets you test your knowledge with a fun problem.
• Heavier ball | Brain teasers | Khan Academy

www.khanacademy.org/math/recreational-math/puzzles/.../finding-heavier-ball You have 9 balls that look identical, but 1 is heavier than the rest. What is the minimum number of weighings on a scale to know for sure that you can determine the ...
• Math Riddles: Try to answer these brain teasers and math riddles

www.mathwarehouse.com/riddles/math-riddles.php There are many ways of explaining/thinking about this truly brain bending riddle! It all boils down to the fact that the lawyers's math is incorrect.
• Brain teasers | Puzzles | Khan Academy

www.khanacademy.org/math/recreational-math/puzzles/brain-teasers Random logic puzzles and brain teasers. Fun to do and useful for many job interviews!