Time for MATH MINUTE! (provide your favorite theme music here). 

       Get out your paper & pencil because I have a new puzzle for you!!


PUZZLE #12   And the sum of the numbers is?    Dec. 4 – Dec. 8

 

       Lets have a contest.

       I will tell you the difference between 2 whole numbers and the product of the 2 numbers. Then you must tell me the sum of the 2 numbers without first finding them?

       Speed counts (so I use a calculator).

 

       For example, suppose the difference of the numbers is 6 and their product is 91. What is the sum of the numbers?

      (Hint: if you need help, see below)

 

      Now test your method on these sets:

       difference = 2 and product = 48

       difference = 5 and product = 84

       difference = 5 and product = 336

      

 

BONUS Puzzle: Find the numbers and explain why the method in the hint below works?

 

 

 

 

 

 

      (Hint: square 6 and add 4 times 91 to get information about the sum of the 2 numbers)

     


 

       Send your comments, ideas and solutions before Monday Dec. 11 to this

email address, parksjm@potsdam.edu , and in the subject line be sure to put:  < MM > .

         Visit us here online at 

      http://www2.potsdam.edu/parksjm/MM.htm 

to see the results every Monday.

       See you next time on MATH MINUTE!  (theme music fades out here).