This math topic focuses on interpreting and converting measurements using a scale commonly found on maps. It enhances skills in converting metric units and applying these conversions to calculate actual distances on maps based on a given scale, such as 1:90,000 or 1:5,000. The problems require converting measurements like dekameters (dam) and hectometers (hm) to centimeters (cm) or millimeters (mm) on a map, taking into account different scales. Students practice determining the map representation of certain real-world measurements, improving their ability in measurement conversion and understanding of map scales in a metric context.
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The map has a scale of 1:20,000. How many millimeters on the map would represent 140 m?