Area of a triangle: Vertices (Part 7)
Suppose that the vertices of a triangle are , , and . What is the area of the triangle? At first blush, this doesn’t fall under any of the categories of SSS, SAS, or ASA. And we certainly aren’t given...
View ArticleEngaging students: Volume and surface area of pyramids and cones
In my capstone class for future secondary math teachers, I ask my students to come up with ideas for engaging their students with different topics in the secondary mathematics curriculum. In other...
View ArticleVolume of solid of revolution
In Calculus I, we teach two different techniques for finding the volume of a solid of revolution: Disks (or washers), in which the cross-section is perpendicular to the axis of revolution, and...
View ArticleEngaging students: Finding the volume and surface area of spheres
In my capstone class for future secondary math teachers, I ask my students to come up with ideas for engaging their students with different topics in the secondary mathematics curriculum. In other...
View ArticleEngaging students: Finding the volume and surface area of pyramids and cones
In my capstone class for future secondary math teachers, I ask my students to come up with ideas for engaging their students with different topics in the secondary mathematics curriculum. In other...
View ArticleArea of a Triangle and Volume of Common Shapes: Index
I’m using the Twelve Days of Christmas (and perhaps a few extra days besides) to do something that I should have done a long time ago: collect past series of posts into a single, easy-to-reference...
View ArticleEngaging students: Finding the volume and surface area of a pyramid or cone
In my capstone class for future secondary math teachers, I ask my students to come up with ideas for engaging their students with different topics in the secondary mathematics curriculum. In other...
View ArticleMy Favorite One-Liners: Part 101
In this series, I’m compiling some of the quips and one-liners that I’ll use with my students to hopefully make my lessons more memorable for them. I’ll use today’s one-liner when a choice has to be...
View ArticleEngaging students: Finding the volume and surface area of prisms and cylinders
In my capstone class for future secondary math teachers, I ask my students to come up with ideas for engaging their students with different topics in the secondary mathematics curriculum. In other...
View ArticleVolume of a Pyramid
Three blank sheets of paper: 5 cents. Printer ink: more expensive per ounce than fine perfume. 15 small pieces of Scotch tape: 2 cents. Visually demonstrating that the volume of a pyramid is one-third...
View ArticleEngaging students: Finding the volume and surface area of spheres
In my capstone class for future secondary math teachers, I ask my students to come up with ideas for engaging their students with different topics in the secondary mathematics curriculum. In other...
View ArticleEngaging students: Defining the terms prism, cylinder, cone, pyramid, and sphere
In my capstone class for future secondary math teachers, I ask my students to come up with ideas for engaging their students with different topics in the secondary mathematics curriculum. In other...
View ArticleEngaging students: Finding the volume and surface area of spheres
In my capstone class for future secondary math teachers, I ask my students to come up with ideas for engaging their students with different topics in the secondary mathematics curriculum. In other...
View ArticleEngaging students: Finding the volume and surface area of prisms and cylinders
In my capstone class for future secondary math teachers, I ask my students to come up with ideas for engaging their students with different topics in the secondary mathematics curriculum. In other...
View Article
More Pages to Explore .....