Kittai, Courtney
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Math Challenge of the Week
Posted by Courtney Harris on 3/27/2012
Laura looks for her favorite shells on the beach every morning. The first day, she finds 3 shells. The next day, she finds 8 shells. On the third day, she finds 13 shells in the cove. On the fourth day, she finds 18 shells as she walks by the water. If Laura keeps finding shells in this way, how many will she find on the eight day?
Explain how you got your answer and how you know your answer is correct.
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