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Type of Class:
High School
Geometry (all levels)
Related VA SOL:
G.14
Time Frame:
90 minute block class
Objectives:
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Students will be able to read
blueprints.
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Students will be able to draw
scaled items.
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Students will be able to use
scaled drawings for reasoning skills.
Materials:
Procedures:
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Give students (in small groups) five minutes to measure the dimensions of
two different items in the room (such as desks, chalkboard, posters,
doorframe—things that are easy to get measurements for). They only need to
measure in terms of 2-dimensions (i.e., length and width).
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Next have students draw a 2-dimensional representation of each of the
items they measured, 1/12 of the original size on their paper. Then have them
draw each item 1/10 of the original size on their paper. Be sure to stress the
importance of writing units on their measurements. Also, have students put a
key on their blueprint so that they know the true dimensions. (For instance,
one inch on their drawing is equal to one foot of the actual item). Have
students share their answers with the class, some groups will have measured the
same items so they can check their work with each other.
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Tell students that you want your room carpeted and need to figure out how
much carpet that the school will need. In small groups, have students figure
out the square footage of floor space in your room. This activity will help
with the Dream Log Cabin activity.
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Students should now begin to understand how scaled drawings work.
Discuss with students why scaled drawings may be important. Have them come up
with different ideas of uses for this skill. [Maps, Blueprints, Art,
Construction, etc.] Give each student the sample floor plan for their Dream Log
Cabin. The instructions for their work are on the page. Have them turn this in
when finished.
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Next have students, in groups, draw a blueprint of the classroom
(including student desks, teacher desk, where the door is, a key for the scaling
and any other items in the classroom that are important). Give students some
sheets of plain white paper so that they have a clean sheet of paper on which to
draw their blueprint. This will be turned in at the end of the class period.
Assessment:
Students should be assessed on the individual
worksheet as well as the group activity at the end. It would also be a neat
project (or extra credit assignment) to have students create a blueprint of the
school (or a certain part of the school). This may even be extended further to
have students design the layout of a parking lot to best use the space given or
have students design a playground for the elementary students. This can be a
very fun and creative project for students to use their imagination and
reasoning skills to draw scaled blueprints of their own designs and ideas.
Suggestions:
AutoCADâ
is an architecture computer program
that deals with blueprints. If this is available in the school, and if there
are teachers in the school who are familiar with it, it would be a neat tool for
a project for students. The program is done in 3-dimensions, but it would
probably be a great tool for students to learn as well as one they would
probably enjoy.
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