Science, Technology, Mathematics and Engineering:
Computer-Aided Drafting/Design
Course Description:
Computer Aided Drafting and Design (CADD) is a course designed to
give students entry level skills in the drawing/design area, as related
to the industrial world. This class is for those interested in design
and problem solving and provides the student with the basic skills
necessary in the drafting area. These skills will help students succeed
in any industry related career area.
Course Standards:
Standard 1: The student will be able to use and
care for computer hardware.
Benchmarks:
- The student will have access to a computer that will handle
CAD software.
- The student will demonstrate the proper care of equipment.
- The student will operate and adjust input-output devices
(printers, plotters).
- The student will use correct procedures for the startup
and shutdown of workstations such as the correct procedure
to exit software.
- The student will adjust monitor controls for maximum comfort
and usability.
- The student will recognize the availability of information
services; e.g., electronic mail, bulletin boards, browser.
Standard 2: The student will be able to understand
physical and safety factors.
Benchmarks:
- The student will demonstrate an understanding of ergonomic
considerations.
- The student will position the screen, chair, keyboard,
and lighting for comfort and to ensure good health and posture.
- The student will demonstrate personal safety.
- The student will remove any electrical or mechanical hazards.
Standard 3: The student will be able to understand
and use the computer operating system.
Benchmarks:
- The student will start and exit a software program as required.
- The student will gain access into CAD software with correct
prior configuration.
- The student will use reference manuals, library materials,
and textbooks.
- The student will demonstrate proper file management techniques.
- The student will use the correct operating system to copy,
delete, and rename files, and check disks.
- The student will make correct file backups.
- The student will be able to use online help.
- The student will be able to save drawings to the storage
device using the correct technique in storing drawings to
the hard drive and floppy drive.
Standard 4: The student will be able to understand
and use basic CAD drafting skills and the importance of applied mathematics.
Benchmarks:
- The student will use correct media and related drafting
materials such as correct papers, plotter pens, toner, and
cartridges.
- The student will use and know correct geometric construction
techniques; i.e., tendencies to arc, circles, lines, polygons,
ellipses, lines to quadrants, parabolic, ogee curves, and
spline curves.
- The student will use Cartesian coordinates, absolute, polar,
and relative to create drawings.
- The student will use basic measuring systems such as decimals,
fractions, feet and inches, and metric engineering measurements.
- The student will be able to perform basic arithmetic functions
including adding, subtracting, multiplying, and dividing
whole numbers, fractions, and decimals.
- The student will be able to convert fractions and decimals.
- The student will be able to convert metric and inch measurements.
- The student will add correct annotation to drawings.
- The student will use correct lettering techniques and correct
text sizes and styles.
- The student will identify and use correct line styles and
line widths on drawings.
- The student will prepare title blocks for different drafting
formats.
- The student will reproduce originals using different methods.
- The student will plot to scale and use correct plot specs.
- The student will plot drawings with correct line widths.
- The student will plot on different media, pens, plotters,
and printers.
- The student will be able to create freehand technical sketches.
Standard 5: The student will be able to create
drawings using a CAD system.
Benchmarks:
- The student will create new drawings.
- Create and place appropriate orthographic views.
- Create and place appropriate auxiliary views.
- Create and place appropriate section views.
- Identify and create pictorial drawings; i.e., isometric,
perspective.
- Identify and create oblique drawings.
- The student will perform a drawing setup.
- Use a setup for decimal inches, fractional inches, feet,
and degree of precision.
- Make a setup for different-sized work areas and scale
the drawing per software package.
- The student will use and control accuracy enhancement tools
such as snap, x,y,z, grid, and positioning methods.
- The student will identify and use appropriate symbol libraries.
Standard 6: The student will be able to edit drawings
using a CAD system.
Benchmarks:
- The student will utilize geometry editing/modify commands.
- The student will use trim, extend, fillet, scale, stretch,
offset, rotate, and mirror.
- The student will utilize non-geometry editing commands
such as edit text, drawing format, spelling and use and change
properties.
Standard 7: The student will be able to manipulate
drawings using a CAD system.
Benchmarks:
- The student will use control coordinates and display scale.
- The student will move the origin to assist in drawing.
- The student will control entity properties, use line types,
color, line, and widths.
- The student will be able to use viewing commands, dynamic,
rotation, zooming, panning, and window.
- The student will use standard parts and/or symbol libraries
and insert them into the drawing.
- The student will plot drawings on media using the correct
layout and scale, line width, and legible text using layering
techniques, grouping techniques, and minimize drawing files.
Standard 8: The student will be able to dimension
drawings using a CAD system.
Benchmarks:
- The student will apply dimensioning rules correctly.
- The student will avoid redundant dimensions, dimensioning
to hidden lines, and be able to place dimensions on most
descriptive views.
- The student will use correct dimension line terminators
using arrowhead, slashes, and ticks.
- The student will place dimensions on view in compliance
with industry standards.
- The student will dimension lines, angles, arcs, pyramids,
and circular objects.
- The student will dimension complex objects; e.g., spheres,
cylinders, and tapers.
- The student will dimension features from center lines,
lines of symmetry, theoretical points, and of intersection.
- The student will use appropriate dual dimensioning standards,
correct size and location dimensions, correct dimension variable
settings and ordinate dimensions; e.g., baseline dimensions.
Standard 9: The student will be able to understand
and assemble working drawings.
Benchmarks:
- The student will develop a set of working drawings of six
or more parts, of industry assembled parts.
- The student will draw all necessary views of each part.
- The student will dimension parts, apply appropriate tolerances,
necessary notes, material specifications, symbols, and other
data.
- The student will complete an assembly drawing showing the
relationship the parts have to each other.
- The student will include title block and border on each
production drawing sheet.
Standard 10: The student will be able to understand
and demonstrate the use of Pictorial drawings.
Benchmarks:
- The student will identify positions used as axis lines
for isometric drawings.
- The student will identify place surfaces on isometric boxes.
- The student will construct angles on an isometric.
- The student will construct isometric circles and arcs.
- The student will list three types of oblique drawings.
- The student will construct an oblique drawing in the center
of a drawing space, to the appropriate size and scale with
circles constructed as ellipses in the oblique planes.
- The student will construct angle on an oblique drawing.
- The student will construct oblique circles.
- The student will construct a cavalier oblique drawing of
a given object.
- The student will construct a cabinet oblique drawing of
a given object.
- The student will list three types of perspectives.
- The student will identify lines and points in a two-point
perspective.
- The student will identify and use designated angles and
positions for all axes, horizons, site points, vanishing
points, ground lines, picture planes, and other construction
lines.
- The student will construct a drawing to the appropriate
size and scale.
- The student will construct a one-point perspective.
Integrated Minnesota Academic Mathematics
Standards
Standard: The student will apply skills of mathematical
representation, communication and reasoning.
Benchmark:
- The student will appropriately use examples and counterexamples
to make and test conjectures, justify solutions, and explain
results.
Standard: The student will use real numbers, represented
in a variety of ways, to quantify information and to solve real-world
and mathematical problems and appropriately use other technologies
and geometry to solve problems.
Benchmark:
- The student will recognize the impact of units such as
degrees and radians on calculations.
Standard: The student will use models to represent
and understand two- and three-dimensional shapes and how various
motions affect them. Recognize the relationship between different
representations of the same shape.
Benchmark:
- The student will use models and visualization to understand
and represent three-dimensional objects and their cross sections
from different perspectives.
Standard: The student will apply basic theorems
of plane geometry, right triangle trigonometry, coordinate geometry
and a variety of visualization tools to solve real-world and mathematical
problems.
Benchmarks:
- The student will know and use properties of two- and three-dimensional
figures to solve real-world and mathematical problems such
as: finding area, perimeter, volume and surface area; applying
direct or indirect methods of measurement; the Pythagorean
theorem and its converse; and properties of 45 ° -45°-90° and
30°-60°-90° triangles.
- The student will use coordinate geometry to represent
and examine geometric concepts such as the distance between
two points, the midpoint of a line segment, the slope of
a line and the slopes of parallel and perpendicular lines.
- The student will use numeric, graphic and symbolic representations
of transformations such as reflections, translations and
change of scale in one, two and three dimensions to solve
real-world and mathematical problems.
- The student will perform basic constructions with a straightedge
and compass.
- The student will draw accurate representations of planar
figures using a variety of tools.
Standard: The student will use the interconnectedness
of geometry, algebra and measurement to explore real-world and mathematical
problems.
Integrated Minnesota Academic Language Arts
Standards
Standard: The student will read and understand
grade-appropriate English language text and apply a variety of strategies
to expand vocabulary (i.e., drafting terms).
Standard: The student will understand the meaning
of informational, expository or persuasive texts, using a variety
of strategies and will demonstrate literal, interpretive, inferential
and evaluative comprehension.
Benchmarks:
- The student will comprehend and evaluate the purpose,
accuracy, comprehensiveness, and usefulness of informational
materials.
- The student will analyze and draw accurate conclusions
about information contained in technical descriptions and
other informational sources, manuals, directions, and applications
in order to complete specific tasks.
Standard: The student will locate and use information
in reference materials.
Benchmark:
- The student will use print, electronic databases and online
resources to access information, organize ideas, and develop
writing.
Entire List of Curriculum Activities
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