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This Changing Scales lesson plan also includes:
- Changing Scales - Teacher Version (.doc)
- Changing Scales - Student Version (.pdf)
- Changing Scales - Student Version (.doc)
- Grade 7 Mathematics Module 4: Full Module Teacher Materials (.pdf)
- Grade 7 Mathematics Module 4: Full Module Student Materials (.pdf)
- Grade 7 Mathematics Module 4: Full Module Copy Ready Materials (.pdf)
- Answer Key
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Pupils determine scale factors from one figure to another and the scale factor in the reverse direction. Scholars compute the percent changes between three figures.
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CCSS:
Designed
Concepts
Additional Tags
Instructional Ideas
- Lead a discussion on how to figure out scale factors when only given percentages
- Give the class the scale factor as a percent and ask them to draw two images that represent the scale factor
Classroom Considerations
- Learners should be familiar with finding scale factors
- 14th installment in a 20-part series
Pros
- The answer keys show the arithmetic steps needed to arrive at the solution
- Highlights the places where the mathematical practices are used within the lesson
Cons
- None