IM 7.1.11 Lesson: Scales without Units
A map of a park says its scale is 1 to 100.
What do you think that means?
Give an example of how this scale could tell us about measurements in the park.
Here is the Apollo Lunar Module. It is drawn at a scale of 1 to 50. The “legs” of the spacecraft are its landing gear. Use the applet to estimate the actual length of each leg on the sides. Write your answer to the nearest 10 centimeters.
Explain how you estimated the actual length of each leg.
Use the applet of the Apollo Lunar Module. It is drawn at a scale of 1 to 50. Use the drawing to estimate the actual height of the Apollo Lunar Module to the nearest 10 centimeters. Show your reasoning or explain below.
Explain how you estimated the actual height of the Apollo Lunar Module.
Neil Armstrong was 71 inches tall when he went to the surface of the Moon in the Apollo Lunar Module. How tall would he be in the drawing if he were drawn with his height to scale? Show your reasoning.
Explain how you determined Neil Armstrong's height in the drawing.
Sketch a stick figure to represent yourself standing next to the Apollo Lunar Module. Make sure the height of your stick figure is to scale. Show how you determined your height on the drawing.
The table shows the distance between the Sun and 8 planets in our solar system.
If you wanted to create a scale model of the solar system that could fit somewhere in your school, what scale would you use?
Use the table above. The diameter of Earth is approximately 8,000 miles. What would the diameter of Earth be in your scale model?
A rectangular parking lot is 120 feet long and 75 feet wide.
Explain or show how each scale would produce an 8 inch by 5 inch drawing.
Make another scale drawing of the same parking lot at a scale of 1 inch to 20 feet. Be prepared to explain your reasoning.
Express the scale of 1 inch to 20 feet as a scale without units. Explainyour reasoning.