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Check-In: Questions 2–5
Each of these problems describes a scale model, a scale drawing, or a map scale. Each scale can be written as a ratio. For example, if 1 centimeter represents 9 miles on a map, we can write:
- On an architect's drawing, one inch represents one foot on the actual house.
- If the windows are two inches wide on the drawing, how wide are they on the actual house?
- Show or tell how you found your answer.
- On a map of Florida, 1 centimeter = 9 miles. On the same map, it is about 6 cm from Disney World to the Atlantic Ocean. Write a ratio showing the actual distance to the ocean.
- Jessie and Manny are building a model airplane. It is an accurate scale model of an actual airplane. The wing of their plane is 12 centimeters long. The wing of the actual airplane is 6 meters long.
- If the actual airplane body is 18 meters long, how long should the model airplane body be?
- Show or tell how you arrived at your solution. Include a number sentence in your explanation.
- On another architect's drawing, one inch represents two feet on the actual house. If the door on the house will be seven feet tall, how high will it be on the drawing?
Complete the Using Ratios Homework page in the Student Activity Book for additional practice finding equivalent ratios.