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Some problems combine both units.\"},{\"question\":\"How are students expected to solve each question?\",\"answer\":\"Solve each problem by adding or subtracting the given metric lengths and provide the result in the appropriate unit.\"},{\"question\":\"Is there an answer key for checking results?\",\"answer\":\"Yes. The document includes an Answers Key listing the correct answers for problems 1 through 20.\"}]","Adding and Subtracting Metric Lengths - Solve each problem | PDF",1790789711]