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This problem, from the collection of Aunty Mathilda challenges, promotes algebraic thinking and problem solving strategies. When Mathilda was ten years old her rich aunties wanted to give her a gift of money for her birthday but she must first decide if she would rather have one more silver dollar then she received last year on her birthday or twice as many dimes then she received last year. Aunty Mathilda's nephew believes she made the wrong decision. Included are links to an easier challenge and to a harder one, and additional background support: alignment to the CCSS standards, explanations, literature connections and extensions regarding the challenge.
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