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Derive unit rates – the number of smaller units in 1 larger unit – for units of length, weight, and liquid volume. If 189 feet = 63 yards, how many feet is 1 yard? Draw a bar model to visualize the relationship between feet and yards. 189 ÷ 63 = 3, so 3 feet = 1 yard. Thinking proportionally, 189 ft = 63 yd, 21 ft = 7 yd, 3 ft = 1 yd.