M155

Right Triangle Trigonometry

About This Badge

How can you estimate the height of a tree? How can you create an accurate blueprint for a new building? How can similarity shed light on relationships between angles and sides in right triangles? Trigonometry is a powerful tool that illuminates geometric relationships and helps us solve problems involving right triangles. In M155 Right Triangle Trigonometry, you will develop an understanding of what trigonometric ratios are and how they can be used to solve real-world and mathematical problems. You will use technology as a tool to calculate trigonometric ratios and find missing measurements in diagrams. Right triangle trigonometry is useful for careers in a variety of fields, like the sciences, engineering, forestry, criminology, and architecture.

Learning Activities and Alignment Guidance

These resources provide learning activities that can supplement traditional coursework as well as guidance for aligning coursework to this badge.

Standards M155 2024

Points of Emphasis in M155

Introduction to Alignment Guidance Final

M155 Alignment Guidance x

Learning Principles 2024

Annotated Examples M155 2024

Student-facing Assignment Templates M155

Assessment: Pre-/Post-Task

These tasks should be administered to students before launching instruction on a new badge and again once badge instruction is coming to a close. These tasks are designed to support students' understanding of what they have learned from the beginning to the end of each badge and to support teachers in making relevant, timely decisions about how they support student learning.

M155 Student Facing Pre Task

M155 Pre Post Scoring Guide

M155 Student Facing Post Task

M155 Task Analysis

M155 Task Analysis

M155 Class Summary File

M155 Class Summary File.docx

Assessment: Performance Tasks

There are two available performance tasks for this badge. Each task has a teacher guide, scoring guidance, and student versions (docx format) in English and Spanish. Where available, samples of student work are also provided.

Evidence of Learning 2024

Assessment: Portfolio Resources

IM Portfolio M155

Assessment: Professional Development Resources

M155 Baseline PL

Baseline PL Handout M155

Baseline PL Handout M155

M155 Baseline PL

Content and Practice Expectations

These resources explain the core content and practice expectations for this badge as well as how this badge aligns to content standards.