Geometry Curriculum Unit 7: Similarity – Lessons, Activities & Assessments

For on-level high school geometry classes, this ready-to-use, fully aligned unit (Geometry Unit 7) teaches similarity in geometry. Clear, structured instruction is paired with activities that help students understand ratios, proportions and their applications in similar figures.

How the unit works

• Warm-ups and bell ringers: structured, spiral daily warm-up and exit ticket exercises keep students focused.
• Guided notes: step-by-step explanations sit alongside fill-in-the-blank sections, so students work with the material while keeping organized. The notes use visual aids, clear definitions and practical examples.
• Practice worksheets: multiple worksheets for independent practice and skill reinforcement.
• Activities and quizzes: station-appropriate activities and formative assessments check for understanding at every step.
• Teacher planning: a pacing calendar, detailed outlines and other planning resources.
• Editable version: customize the unit for your needs.

What’s included

• An outlined planning calendar
• Weekly warm up recording sheets
• Weekly exit ticket sheets
• Blank lesson plan template
• Unit vocabulary sheet
• Unit pre-assessment, post assessment and quizzes
• Warm ups
• Exit tickets
• Guided notes
• One activity per lesson ($15 value)
• Practice assignments
• Student tracking pages for each lesson
• Answer keys
• A complete PDF of the unit
• An editable PPT version of the unit

The following activities are included:

• Extended Ratios Partner Check
• Ratios and Proportions Matching Activity
• Right Triangle Similarity Coloring Page
• Similar Polygons Matching
• Similar Triangles Activity
• Similarity Applications Scavenger Hunt
• Triangle Proportions Activity

Quick facts

• Topic: ratios, proportions and similar figures
• Grades: 8–11
• CCSS: 8.EE.B.5, 6.RP.A.1, 6.RP.A.2, 6.RP.A.3, 7.RP.A.1, 7.RP.A.2, 7.RP.A.3, HSG-SRT.A.2, HSG-SRT.A.3, HSG-SRT.B.4, HSG-SRT.B.5, HSG-SRT.C.6, HSG-GPE.B.6, HSG-MG.A.1, HSG-MG.A.3
• Answer key: included

Free resources

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Terms of use

By purchasing this product, you own a license for one teacher only for personal use in their own classroom. Licenses are non-transferable and therefore can not be passed from one teacher to another. If the teacher who purchased this license leaves the classroom or changes schools, the license and materials leave with that teacher. No part of this resource is to be shared with colleagues or used by an entire team, grade level, school or district without purchasing the correct number of licenses. If you are a coach, principal or district interested in transferable licenses that would accommodate yearly staff changes, please contact me for a transferable license quote at lindsay@beyondtheworksheet.com.

© Beyond the Worksheet. Please note – all material included in this resource belongs to Beyond the Worksheet Inc. By purchasing, you have a license to use the material but you do not own the material. You may not upload any portion of this resource to the internet in any format, including school/personal websites or network drives unless the site is password protected and can only be accessed by students, not other teachers or anyone else on the internet.