Right Triangle Trigonometry

Learn by doing! This presentation, in PowerPoint format, teaches the lesson while students practice the skill on individual dry erase boards. No need to teach the lesson beforehand! Use your class time to practice instead of instructing and watch your students’ confidence grow!

Does the class period feel too short to go over last night’s homework solutions, answer questions, teach the new lesson, and do some practice so your students aren’t totally lost at home? Have you gotten frustrated with teaching a lesson while your students take copious notes, only to find that they are unable to do the homework? Are your students’ parents frustrated because they can’t help their students at home? Are your students simply not doing homework? Do you constantly wonder how you can cover ALL your standards in one school year? Yup! That was my story, too! Something had to give!

I realized that the most effective use of my class time was practice – guided and with immediate feedback. So, when do I teach the lesson? I do it within the practice! The constant repetitive practice that we do in class is the great equalizer. It levels the playing field for students who have no access to help at home, for those who work jobs and have no time for homework, for those with learning disabilities who really need a teacher nearby when they are practicing, and for those who believe they are naturally bad at math when really they just need consistent doses of success.

Immediate, positive, constructive feedback is powerful! “My child likes math again,” and “I’ve never been good at math, but I get this stuff!” are things I hear often. It’s music to my ears! All it takes is making the majority of your class time guided practice, practice, practice.

This resource addresses the following topics:

• Introduction to right triangle trigonometry ratios (sine, cosine, tangent) with detailed explanations of how, why, and when they are used
• Writing trigonometric ratios
• Using trigonometric ratios to solve for a missing side
• Using inverse trigonometric ratios to solve for a missing angle

Features:

• 193 Slides
• Step-by-Step Explanations of Each Topic
• Color-Coding to Assist with Comprehension
• Guided Exploration of Inverse Trigonometry
• 26 Practice Problems with Step-by-Step Solutions
• “Teachable Moment” Explanations and Advice
• Student Version to Post for Independent Study
• Helpful Tips for Maximizing the Effectiveness of the PowerPoint
• Easy to Implement

The practice problems in this unique slide presentation have step-by-step solutions – each click shows the next step. Click to the next step so students can see they are on the right track or can catch up. Repetition is key, so there are plenty of practice problems included, as well as “teachable moment” comments and helpful tips. This is a powerful and effective whole class activity!

A student version is also included which can be posted on Google Classroom or other classroom management system for independent study or review.

*Also available in Google Slides format.

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