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Addition and Subtraction Situations . Mathematics is a way of representing the world. Stories that involve numbers can be represented as equations. When representing a story as an equation the action of the story (assuming situation is an active story) needs to be identified, as the action will indicate the operation used to represent the story. . Joining stories are represented using addition and separating or partitioning stories e.g. where something is taken away, are represented using subtra
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