| Many students currently enrolled in inner city High | | | | you want to update the fire exit maps to |
| Schools do not possess a working knowledge of the | | | | accommodate the new construction to the building. |
| common ruler. In teaching Architectural Drawing it is | | | | Explain that 100 ft can be noted as 100 units and now |
| essential for the students to have a firm grasp of how | | | | you want to see what unit size is best to scale a |
| to scale their drawings accurately. | | | | drawing on an 8-1/2" x 11" Sheet of paper. Now go to |
| To help teach the students give them a quick ruler test | | | | the board and write ¼" for the unit size and ask |
| that has measurements of various lengths that they | | | | the class if that will work. You will explain that it will not |
| can fill in. Be sure to let the students know that you are | | | | because there are 48 of these ¼" units to make |
| doing this sort of as a doctor's check up rather than a | | | | a foot which is larger than the paper. You will then |
| quiz. This puts the students at easy allowing them to | | | | enter smaller units until you get a unit (fraction size) |
| work with a clear mind. Go around and give the | | | | that will fit for the scale. |
| students assistance as they ask for it. | | | | In closing I bring up the size of the solar system as an |
| After the quiz talk briefly bout scale, try and do this in | | | | example for plugging in different scale sizes. I ask the |
| about 10 minutes otherwise you will lose their attention. | | | | class what scale would I use to put an image of the |
| The best way to illustrate scale for all the students to | | | | solar system in an encyclopedia page in the size of 8-1 |
| understand is to you the fire exit floor plan on the wall | | | | 2" x 11". When using such vast numbers it helps the |
| near the door (where it usually is in place in all schools | | | | students visualize the point that you are making about |
| nationwide). | | | | scaling the drawings. |
| Tell the class that the school building is 100ft. long and | | | | |