Unit 4 Scale Drawing
Accelerated Lesson
( Note, some activities are marked "OPTIONAL" in the student workbook to meet the accelerated pace.)
Standards
Learning Targets
Additional Resources
1
Addressing:
NC.7.G.1
Building Toward:
NC.7.RP.2
Building On:
NC.5.NBT.7
NC.5.NF.4
I can tell whether or not a figure is a scaled copy of another figure.
I can describe some characteristics of a scaled copy.
In a pair of figures, I can identify corresponding points, corresponding segments, and corresponding angles.
I can describe what the scale factor has to do with a figure and its scaled copy.
What are Scaled Copies?
Digital Manipulative
Khan Academy Practice
Corresponding Parts and Scale Factors
Digital Manipulative
Khan Academy Videos
Identifying Corresponding Parts of Scaled Copies
Identifying Scale Factor in Drawings
Khan Academy Practice
Corresponding Sides and Points
Identify Scale Factor in Scale Drawings
Video Lesson Summary: Scaled Copies From Illustrative Mathematics
2
Addressing:
NC.7.G.1
Building Toward:
NC.7.RP.2
Building On:
NC.6.NS.3
I know what operation to use on the side lengths of a figure to produce a scaled copy.
I can draw a scaled copy of a figure using a given scale factor.
I can use corresponding distances and corresponding angles to tell whether one figure is a scaled copy of another.
When I see a figure and its scaled copy, I can explain what is true about corresponding angles.
When I see a figure and its scaled copy, I can explain what is true about corresponding distances.
Making Scaled Copies
Khan Academy Practice
Scaled Relationships
Khan Academy Practice
Video Lesson Summary: Scaled Copies From Illustrative Mathematics
3
Addressing:
NC.7.G.1
Building Toward:
NC.7.RP.2
Building On:
NC.5.NBT.6
NC.5.NF.4
NC.6.NS.1
I can describe the effect on a scaled copy when I use a scale factor that is greater than 1, less than 1, or equal to 1.
I can explain how the scale factor that takes Figure A to its copy Figure B is related to the scale factor that takes Figure B to Figure A.
4
Addressing:
NC.7.G.1
NC.7.G.6
Building Toward:
NC.7.G.4
NC.7.G.6
Building On:
NC.6.G.1
I can describe how the area of a scaled copy is related to the area of the original figure and the scale factor that was used.
Digital Manipulative
Khan Academy Video
Khan Academy Practice
Video Lesson Summary: More about Scale Factor From Illustrative Mathematics
5
Addressing:
NC.7.G.1
Building Toward:
NC.7.RP.2
NC.7.RP.3
Building On:
NC.6.NS.2
NC.6.RP.3
I can explain what a scale drawing is, and I can explain what its scale means.
I can use a scale drawing and its scale to find actual distances.
I can use actual distances and a scale to find scaled distances.
I can use a map and its scale to solve problems about traveling.
Scale Drawings
Khan Academy Practice
Scale Drawings and Maps
Khan Academy Practice
IXL Math
Scale Drawings: Word Problems 1
Scale Drawings: Word Problems 2
Video Lesson Summary: What are Scale Drawings? From Illustrative Mathematics
6
Addressing:
NC.7.G.1
Building Toward:
NC.7.G.6
NC.7.RP.2
NC.7.RP.3
Building On:
NC.6.G.1
NC.3.NF.3
NC.5.NBT.3
When I know the actual measurements, I can create a scale drawing at a given scale.
I know how different scales affect the lengths in the scale drawing.
I can determine the scale of a scale drawing when I know lengths on the drawing and corresponding actual lengths.
Given a scale drawing, I can create another scale drawing that shows the same thing at a different scale.
I can use a scale drawing to find actual areas.
Creating Scale Drawings
Khan Academy Practice
Changing Scales in Scale Drawings
IXL Math
Video Lesson Summary: What are Scale Drawings? From Illustrative Mathematics
Video Lesson Summary: Scale Drawings with Different Scales From Illustrative Mathematics
7
I can use scales without units to find scaled distances or actual distances.
I can explain the meaning of scales expressed without units.
8
I can write scales with units as scales without units.
I can tell whether two scales are equivalent.
Khan Academy Video Scale Drawing Word Problems
Khan Academy Practice
Video Lesson Summary: Scale Drawings with Different Scales From Illustrative Mathematics