The Math Challenger

Missing Circles?

mathchallenger — Mon, 22 Oct 2007 12:46:44 +0000

Write a paragraph describing how our lives would be different if we didn’t have any round objects. Be creative.

Everyone’s Favorite

mathchallenger — Mon, 22 Oct 2007 12:44:22 +0000

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?

Sliders 2007

mathchallenger — Mon, 22 Oct 2007 12:41:39 +0000

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!

Pegs, Not Pigs!

mathchallenger — Fri, 13 Apr 2007 13:36:58 +0000

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!

Sliders

mathchallenger — Fri, 13 Apr 2007 13:15:49 +0000

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?

So Easy, Right?

mathchallenger — Thu, 12 Apr 2007 17:15:58 +0000

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 feet, how many of each are in the cage?

2. There is a town in Texas where 5% of the people living there have unlisted telephone numbers. If you select 100 names at random from the town’s phone directory, on average, how many of these people would have unlisted numbers?

3. Dee Septor, the famous magician, claims he can tell the score of any football game before it even starts. Many think that he is psychic. How is it that he can be accurate about the score 99% of the time?

4. In our calendar some months have 30 days and some months have 31 days. How many have 28 days?

5. An electric train travels southeast at 90 km/hr. The wind is blowing westward at 30 km/hr. In what direction will the smoke from the engine blow?

6. Something extraordinarily unusual happend on the 6th of May, 1978 at 12:34 pm. What was it?

7. A tree doubled in height each year until it reached its maximum height over ten years. How many years did it take for the tree to reach 1/2 its maxium height?

8. Assuming that you are paying, is it cheaper to take one friend to the movies twice, or two friends at the same time?

Bonus Points #1

mathchallenger — Thu, 30 Nov 2006 21:34:18 +0000

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 words, retype the problem with the appropriate numbers in the appropriate spaces. Thursday December 7th, all responses will be posted in the thread for public viewing. If your response is correct, you will receive 5 points on your next chapter test.

Rising Above the Tower

mathchallenger — Fri, 20 Oct 2006 20:51:30 +0000

Let’s try this Tower of Hanoi brainteaser. How many discs can you move?

How Many Fingers?

mathchallenger — Fri, 20 Oct 2006 20:47:11 +0000

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 only had 6 fingers or only 2 fingers? How would math be different?

Find A Phrase!

mathchallenger — Fri, 20 Oct 2006 20:44:51 +0000

“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 one for math, try to create a phrase for another subject area.