[CabotCommunity] CABOT MATHS CHALLENGE

[Jo Doherty]

At

Attached is the April Challenge Problem due April 12, 2007
 
In March - 
91 students participated in the challenge
64 % of Ms. Fiorenza's class and Mr Ripp's class
62% of Mr Adams' class

 

CABOT MATH CHALLENGE 

Problem # 6 - April, 2007

 

People that worked on this solution:

 

 

 

 

 

*     Trying to solve the problem is more important than the getting the
correct answer.  

*     Submissions that do not show how you found your answers will not be
counted.  

*     Showing your work can include an equation, a picture or a written
description. 

*     Please show your work on these pages and staple additional pages as
needed.  

*     Please be neat and have fun! 

*     And remember, even though there are 7 questions listed below, you only
have to submit your solution to some of them to get credit.

 

Please place your solutions by Thursday April 12 in the in-boxes one of
these classes: 

Mr. Tirrell, Mrs. Moriarty, or Mrs. Robertson.

 

:-):-):-):-):-):-):-):-):-):-):-):-):-):-):-):-):-):-):-):-):-):-):-):-):-):
-):-):-):-):-)

Problem #6


1. The weight of 12 kangaroos is the same as the weight of 3 giraffes, the
weight of 20 deer is the same as the weight of 2 hippopotamus, and the
weight of 2 deer is the same as the weight of 1 giraffe.


a) How many kangaroos have the same weight as 8 giraffes?


 


 


b) How many deer have the same weight as 5 hippopotamus?


 

 

 

 

 

c) How many giraffes have the same weight as 6 hippopotamus?

 

 

2. An adult weighing 80 kilograms and 2 children, each of whom weighs 40
kilograms, want to cross a river.  They have only one boat.  All 3 are
capable of rowing the boat.  The boat is capable of holding only 80
kilograms on any one trip. How many trips will it take to get all 3 across a
river? Describe your answer. 

 

Draw a diagram to show each leg of the trip.

 

Hint:  Some passengers may need to make more than one trip.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3. How can you bring up 6 liters of soda from the barrels in the cellar if
you have only a 4-liter pitcher and a 9-liter pitcher?

 

 

 

 

Jo Doherty

Cabot PTO Co-President

11 Leonard Avenue,

West Newton, MA 02465

617-332-1530

jcdoherty11 at comcast.net

 

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