Integrated Math II · Week 25 · Similarity and Right Triangle Trigonometry
Shadows and Heights
Measuring tall objects with similar triangles outdoors.
- Students will
- Students use similar triangles and proportions to find heights that cannot be measured directly.
- SEL skill
- Use curiosity to take a first step on a problem you do not yet know how to solve
- What it looks like
- Students use curiosity to begin a problem they do not yet know how to solve.
- Content focus
- Similar triangles and indirect measurement
- Format
- Partner exchange
Self-management
Self-management means handling your emotions and behaviors on purpose to work toward a goal. More self-management activities
What you get
A teacher guide with what to say, step by step, plus student pages and a supports page for students with diverse learning needs, including those with IEPs. Print or Project it, or assign it in Google Forms and Google Docs for Google Classroom. Your first 10 activities are free.
Standards
- G-SRT.5: High School Geometry: Similarity, Right Triangles, and Trigonometry, standard 5
- Standard for Mathematical Practice: MP4 Model with mathematics
- CA Mathematics Framework (2023): Discovering Shape and Space
- Traditional course: Geometry
Fits these textbook chapters
- CCSS Integrated Pathway Mathematics II, Unit 5: Similarity, Right Triangle Trigonometry, and Proof
- Carnegie Learning Integrated Math II, Module 2: Investigating Proportionality
- CPM Core Connections Integrated II, Chapter 2: Justification and Similarity
- CPM Core Connections Integrated II, Chapter 3: Probability and Trigonometry
- Savvas enVision Integrated Mathematics II, Topic 9: Similarity and Right Triangles
Textbook names are used only to help you find activities that fit what you teach. RoseThread Connect is not affiliated with these publishers.
More self-management activities for Integrated Math II
- Powers and Patience Self-managementRational exponents through pattern work, with a calm strategy for confusing notation.
- Launch Day Self-managementModeling a projectile with a quadratic and planning a goal with a peak and a landing.
- Factoring Our Way Through Self-managementFactoring quadratics with a stuck plan and partner hints.
- Completing the Square Self-managementCompleting the square step by step, with a breathing reset between steps.
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RoseThread Connect activities are drafted with the help of AI and shaped by educators. Students never have to share anything personal. Our five SEL skills are informed by CASEL's SEL Framework; RoseThread Learning is not affiliated with or endorsed by CASEL.