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Mystery Cache

We Love Math: Algebra part two

A cache by bif_n_sons Send Message to Owner Message this owner
Hidden : 8/26/2011
In Wisconsin, United States
2.5 out of 5
2 out of 5

Size: Size: not chosen (not chosen)

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Geocache Description:

The cache is not at the posted coordinates. You must solve the puzzle below to find the geocache. The posted coordinates will take you to a basketball court which is a great place to play basketball, but there is no cache there.


I fully intended on delaying placing another cache until We Love Math: Algebra part 1 (GC32EXK) had been in place for awhile. Well, then you know what happened. The logs overwhelmingly suggested that the geocachers wanted more! Or is that just me seeing the world through rose tinted glasses? The boys began working with me very diligently to find a suitable location for the next cache and well, here we go.

Both of my boys love math and so do I. We feel very lucky they are receiving an excellent education from such wonderful teachers. It is so awesome when they can explain math to each other, it is such a powerful way of strengthening their knowledge. I know math can be challenging for students, so I have included the geochecker for the puzzle.


Anyone wishing to place a cache in a city of Madison park must contact Rhonda Veroeven who will gain permission from Madison Parks representative. To contact Rhonda please email at purpleirises1@ Geocaching activity is only allowed in general parklands in the City of Madison and Geocaching activity is prohibited at: Forest Hill Cemetery, Olbrich Garden, City of Madison conservation parks, Odana Golf Course, Monona Golf Course, Yahara Golf Course, Glenway Golf Course and areas with identified Indian Mounds. All geocachers will be respectful of all public parkland. No digging or penetration of ground surface will be permitted. Trees, shrubs and plants will not be disturbed or altered at any time. Questions related to access, policies, regulation and protocol regarding geocaching in the City of Madison parks will be submitted to WGA liasion R. Veroeven who will report directly to James Weisnstock, Parks Operation Supervisor."

            The geocache can be found at the coordinates  N 43° KL.MNP  W 089°QR.STU


To find each coordinate, you must solve the following ten math problems [yes it is a test, and I know you may not like that, but hey, nobody said you had to go find this geocache, right? ;-) ]. Each problem has ten answers. Each answer has a digit 0-9 associated with it.


Example problem: What is the ones digit of pi?

3 use 0

1 use 1

4 → use 2

5 use 3

9 → use 4

2 use 5

6 → use 6

7 → use 7

0 → use 8

8 → use 9


The correct answer is 3, so you would use 0 since that is the matching answer. Please note that the correct answer will usually not match with the digit to place in the puzzle. Are your pencils sharpened? Did you pick up a piece of scratch paper to use? Is your phone a friend ready? Good luck, you can do it….believe in yourself.


The problems can be found in the attached image We Love Math Algebra part 2 problems which can be accessed below or on the images page.


Extra Credit J

I often have students who ask, “When will I ever use this?” For extra credit, include in your log when you have used Algebra in either your job or your life. Writing “I never use math  or any negative comments will be accepted in the log but will not earn you extra credit. Double extra credit can be earned by writing a different answer than in the We Love Math: Algebra part one log JJ.








You can check your answers for this puzzle on

Additional Hints (Decrypt)

Ninvynoyr hcba erdhrfg.

Decryption Key


(letter above equals below, and vice versa)



46 Logged Visits

Found it 31     Didn't find it 2     Write note 7     Publish Listing 1     Owner Maintenance 5     

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Current Time:
Last Updated: on 6/20/2017 7:40:34 AM Pacific Daylight Time (2:40 PM GMT)
Rendered From:Unknown
Coordinates are in the WGS84 datum

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