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Math · Grade 7 Math · Unit 1

Unit 1: Scale Drawings

Students study scaled copies of plane figures and scale drawings of real-world objects, learning that lengths in a scaled copy are products of the original lengths and a scale factor while angles are preserved.

Worksheets

Every sheet has an answer key. Free to print, no login.

Unit
📝 Worksheet ✅ Answer guide
Concept
📝 Worksheet ✅ Answer key
Practice
Set 1
📝 Worksheet ✅ Answer key
Set 2
📝 Worksheet ✅ Answer key
Advanced
Set 1
📝 Worksheet ✅ Answer key
Set 2
📝 Worksheet ✅ Answer key

What this unit covers

A Scaled Copies · 6 lessons
Goals
  • Determine whether a figure is a scaled copy of another figure, by examining corresponding side lengths and angle measures.
  • Draw a scaled copy of a figure using a given scale factor.
Lessons
  1. What Are Scaled Copies?
  2. Corresponding Parts and Scale Factors
  3. Making Scaled Copies
  4. Scaled Relationships
  5. The Size of the Scale Factor
  6. Scaling and Area (Optional)
B Scale Drawings · 6 lessons
Goals
  • Create a scale drawing given the actual measurements of the object or given another scale drawing at a different scale.
  • Explain how to use scales and scale drawings to calculate actual distances and areas.
Lessons
  1. Scale Drawings
  2. Scale Drawings and Maps (Optional)
  3. Creating Scale Drawings
  4. Changing Scales in Scale Drawings
  5. Scales without Units
  6. Units in Scale Drawings
C Let’s Put It to Work · 1 lesson
Lessons
  1. Draw It to Scale (Optional)
See the whole map Unit 2 →

Adapted from the Illustrative Mathematics curriculum (v.360), licensed CC BY-NC 4.0. © Illustrative Mathematics.