Authentic Lessons for 21st Century Learning
In this lesson, students will explore angles of incline on different wheelchair ramps by measuring side lengths and finding missing angle measures using inverse trigonometric functions. Students will compare their results with the Americans With Disabilities Act (ADA) accessibility standards to determine... Read more »
Created by: Michell Eike
Date Updated: May 25th, 2023
Inverse Trigonometry: ADA Accessibility
Students will explore inputs and outputs of trigonometric functions and use this relationship to identify the need for inverse trigonometric functions to find an unknown angle measure. Students will then watch a video of a civil engineer share how he uses right triangle trigonometry and apply their... Read more »
Created by: Michell Eike
Date Updated: May 26th, 2023
Inverse Trigonometry: Introduction
In this lesson, students will discover how a given side, side, and angle could result in 0, 1, or 2 triangles. They will then learn the Law of Sines and use it to find missing side lengths and angle measures. This lesson is intended to be taught before the Law of Cosines lesson and after students learn... Read more »
Created by: Michell Eike
Date Updated: April 14th, 2023
AAS, ASA, SSA
This cooperative learning strategy engages students in processing and checking their understanding of a lesson. Read more »
Created by: Michell Eike
October 5th, 2022
In this lesson, students will recall expanding polynomials and factoring quadratics. Students will learn how to factor polynomials with two, three, or four terms: difference of two squares, sum or difference of two cubes, trinomials of the quadratic form that are not quadratics, and grouping. Students... Read more »
Created by: Michell Eike
Date Updated: October 5th, 2022
Factoring Polynomials
In this lesson, students will recall finding greatest common factors (GCFs) of polynomials and the relationship between the factored and standard forms of a quadratic expression. Then, students will learn how to factor using the TRI method. Students will use this knowledge to factor and solve (factorable)... Read more »
Created by: Michell Eike
Date Updated: February 22nd, 2023
Factoring Quadratics
This is a lesson for Law of Cosines, which also connects Law of Sines and Law of Cosines to map triangulation. Students will receive a brief introduction to Trig Pillars: a tool used in the United Kingdom in the mid-20th century to help with mapmaking. Then, they will go through an informal proof of... Read more »
Created by: Michell Eike
Date Updated: May 18th, 2023
Triangulation and Mapping
In this lesson, students will discover how matrices are used in computer graphics. Students will learn how to perform the matrix operations of addition, subtraction, multiplication, and scalar multiplication. They will then learn how multiplying matrices relates to transformations and, in turn, animation... Read more »
Created by: Michell Eike
Date Updated: March 17th, 2023
Matrices in Computer Graphics
In this lesson, students will use their existing knowledge to find the area and perimeter of triangles, rectangles, and trapezoids to discover how to find the area of a regular polygon and apply their knowledge to real-world scenarios. Read more »
Created by: Michell Eike
Date Updated: March 5th, 2023
Area and Perimeter of Regular Polygons
In this lesson, students will recall solving equations with rational exponents and radicals. Using graphs, students will recall evaluating and solving equations with function notation. Students then will learn how to address extraneous solutions and why they exist. Students will apply this new knowledge... Read more »
Created by: Michell Eike
Date Updated: July 13th, 2022
Extraneous Solutions
