Saturday, August 24, 2013

Week #1

Week #1 
Done and boy am I whipped!
This is an activity that I found on Eberopolis' blog--the kids loved working on it and I think it took a lot of perseverance for the beginning of the year when brains are still a little mushy.
I had to front-load the students with 4! (4 x 3 x 2 x 1 = 24) and we had to discuss the square root of 4, but after that they were off and running.  It was a good opportunity for me to walk around and see who was contributing to the conversation and who was struggling with basic equations.

Using some arithmetic combination of four 4's, can you write an equation for each of the numbers from 1-100? Here are the rules:
  • You may use any combination of addition, subtraction, multiplication, and/or division
  • You may combine numbers, e.g., use 2 of the fours to make the number 44
  • You may insert decimal points
  • You may use a four as an exponent
  • You may use square roots
  • You may use factorials, e.g., 4! is equivalent to 4 x 3 x 2 x 1 = 24
  • You may use overbars to make a decimal repeat
  • You may NOT use any digit other than a four
  • You MUST use all four 4's in each solution 

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