http://mathchallenger.edublogs.org Another excellent Edublogs.org blog Mon, 22 Oct 2007 12:46:44 +0000 http://backend.userland.com/rss092 en Write a paragraph describing how our lives would be different if we didn't have any round objects.  Be creative. http://mathchallenger.edublogs.org/2007/10/22/missing-circles/ For any muscle to grow and be strong, it must be used.  This brainteaser is a true excerise for your mind.  At which level will you advance?  Click below for Cubeoban. http://oos.moxiecode.com/examples/cubeoban/ What do you think?  Any strategies that you can pass on? http://mathchallenger.edublogs.org/2007/10/22/everyones-favorite/ Let's see how well we can do with this brainteaser.  You will want to try this one at home! Click below for sliders. www.mazeworks.com/sliders/index.htm Be sure to leave a few helpful hints for your friends! http://mathchallenger.edublogs.org/2007/10/22/sliders-2007/ Can you solve this peg puzzle?  Sure four pegs is not so bad, but what about eight? Click here and try.  http://nlvm.usu.edu/en/nav/frames_asid_182_g_3_t_2.html Post your level and give a few helpful hints! http://mathchallenger.edublogs.org/2007/04/13/pegs-not-pigs/ Let’s engage in a puzzle that you will be sure to try again and again.  Click here or sliders http://www.mazeworks.com/sliders/index.htm. Post your thoughts about your experience.  Do you have any helpful hints? http://mathchallenger.edublogs.org/2007/04/13/sliders/ Read these short  brainteasers.  Which ones can you solve?  Post your responses.  Please be sure to make a note of which ones you are answering in your post. 1.  In the zoo there is a cage thatt contain peacocks and pigs.  If there is a total of 30 eyes and 44 ... http://mathchallenger.edublogs.org/2007/04/12/so-easy-yet-so-difficult/ On the first thread titled "Welcome to the Math Challenger," there is a puzzle with various colors and shapes that appears in the form of a subtraction problem.  Study the puzzle.  Post possible solutions to the puzzle in this thread.  You must include 3 seperate 3 digit numbers.  In other ... http://mathchallenger.edublogs.org/2006/11/30/bonus-points-1/ Let's try this Tower of Hanoi brainteaser.  How many discs can you move? http://mathchallenger.edublogs.org/2006/10/20/rising-above-the-tower/ Have you ever wondered how our number system was created?  Why we count 1 to 10 and if there are any connections to how many fingers we have?  Imagine our number system if we only had eight fingers.  How would we count, add, subtract, multiply and divide?  What if we ... http://mathchallenger.edublogs.org/2006/10/20/how-many-fingers/ "Please Excuse My Dear Aunt Sally" is a phrase to help students learn the order of operations.  Each first letter of the phrase matches the first letter of the operations:  Parenthesis, Exponents, Multiplication, Division, Addition, and Subtraction.  Create another phrase to remember other key information in math.  After you have created ... http://mathchallenger.edublogs.org/2006/10/20/find-a-phrase/