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3.Choose from one of the following CCSS domain areas (counting and cardinality, operations and algebraic thinking, numbers and base ten, or numbers and operations) for a particular grade level. Make up at least one interesting problem (think problem solving-no single solution path, open question) related to Valentines (think elementary school Valentine cards, candies, school exchanges) for the selected domain that can be solved by each of these strategies: look for a pattern, make a drawing or diagram, and construct a table. Explain how you would complete the problem using each of the strategies.