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December 6-8 Activity Print E-mail
Written by Lori Stancill   
Thursday, 24 November 2005

We took Hayden and Maggie with us this year to help select a tree. We usually get a small one, but the children begged Uncle Bill to get a really tall one and he finally agreed.

"We’ll need to buy a lot more strings of lights now that we have a bigger tree," Uncle Bill reminded me as we drove home.

"Well, let’s go buy the store and get them right now," I suggested as we tied the tree to the roof rack of the car.


When we got to the store, we saw a sign that read:


Christmas Tree Lights On Sale!!!

3 Strings For $7

Buy 2 strings and get 1 free!!



Uncle Bill only had $15 in cash and he didn’t want to charge them or write a check.  “I probably have enough money left from buying the tree to pay the tax on the lights, if you kids can figure out how many strings we can get for $15”.


How many boxes do you think the children purchased%3f

How many boxes could they purchase if Uncle Bill had $35.00%3f  *Don’t forget the taxJ

Show your work and prove your answers.  You might want to create a table for your work.


DuPage Children’s Museum, 2003

Where is the Math%3f

·        reasoning and proof

·        using symbols and tables to solve problems

·        developing fluency with counting strategies

·        estimation

·        developing number sense



Last Updated ( Tuesday, 29 November 2005 )
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