Exploring Dilations NOTES & PRACTICE
Dilations notes and practice on the coordinate plane, where students define scale factor, plot enlarged and reduced figures and dilate single points.
- Grades
- Grade 8, Middle School
- File type
- Preparation
- Print ready
- Subject
- Math, Geometry
- Topic
- transformations, dilations
- Resource types
- Activities
- Preparation
- Print ready
About this resource
What's inside this resource
This resource guides students in exploring the coordinate patterns in dilations using scale factors greater than and less than 1 on the coordinate plane and partially fulfills the standard below:
CCSS.math.content.8.g.a.3
Describe the effect of dilations, translations, rotations, and reflections on two-dimensional figures using coordinates.
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In the classroom
Teaching tips & learning objectives
Learning objectives
- Dilate a figure on the coordinate plane using a given scale factor
- Determine the scale factor from original and image coordinates
Skills covered
- Coordinate dilation — students multiply each coordinate by the scale factor and plot the image
- Scale factor reasoning — students compare new and original coordinates to choose the scale factor
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Resource details
Concepts & topics
Core concepts
Core concepts
- Dilation
- Scale factor
- Enlargement and reduction
- Coordinate plane
- Similar figures
Topics
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