For each of the following problems, write two different explanations of how to solve the problem for students who haven't seen that type of arithmetic problem before. Incorporate the exact language that you would use with the students in your explanations and include appropriate diagrams and applications. You can use software to create the diagrams; for example, if you're using Microsoft Word, select Insert > Shapes - see Add a drawing to a document for more details. Alternatively, draw a diagram freehand, take a photo, and insert the image into your Word document.

The goal for this assignment is to come up with two distinct methods or explanations for solving each problem, with the idea that while one student may understand one method, another student may respond better to an alternative explanation.

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