Saturday, September 1, 2012

Problem of the Week



A number of children are standing equally spaced around the edge of a large circle and are numbered consecutively.  Abby is 14th and Emma is 32nd and are standing directly across from each other.  How many children are there?

In a week, we will post solutions for this problem.  At that time we will also choose one commenter who gave the correct answer to get a copy of Zeroing in on Number and Operations (the commenter who wins can choose from PreK-K, 1-2, 3-4, 5-6, or 7-8).  If you want to be entered into the drawing please comment with your solution, and leave your first name last initial.

We look forward to seeing your responses!

Katie
 


 


1 comment:

  1. There are 36 children. I drew a picture and used a chart. If Abby (14th) is across from Emma (32), then the person to Abby's right (13) is across from #31 (on Emma's right.) I drew a circle that decreased to the first child (who was across from #19.) Then there were 4 children (15 - 18) who needed someone directly across. These children would be a higher number than Emma (32) 32 + 4 = 36. Barbara F.

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