Scales: scales accurately represent real world sizes (distances or areas) on maps or models. they indicate the relationship between a size on a map and its size in the real world. scales are most accurately stated as unitless ratios where the first number represents the map size and the second number is the same size in the real world. (total 3 marks) 5) a map has a scale of 1: 250,000. if centimeters are used as the length of measurement on this map, 1 cm on the map represents 250,000 cm in the real world. how many kilometers is this? report your answer as a scale in the form of 1 cm ? ? km. (1 mark) how many miles does an inch on this map represent? use exact conversions to convert. (2 marks)