Texas Education Agency
Texas Gateway: Writing Geometric Relationships
Given information in a geometric context, students will be able to use informal arguments to establish facts about the angle sum and exterior angle of triangles, the angles created when parallel lines are cut by a transversal, and the...
Illustrative Mathematics
Illustrative Mathematics: G Mg Ice Cream Cone
You have been hired by the owner of a local ice cream parlor to assist in his company's new venture. The company will soon sell its ice cream cones in the freezer section of local grocery stores. The manufacturing process requires that...
CPALMS
Cpalms: Building Graduation Caps
[Free Registration/Login Required] For this lesson, learners build geometric models of graduation caps using stiff paper. The activity requires the application of skills in finding surface area, understanding similarity, knowing the...
ArtsNow
Arts Now Learning: Module K: Shapes
In this series of STEAM activities, students will discover the concepts of geometry through shape exploration and the creation of choreographic sequences. Another activity in this module will allow students to identify shapes by applying...
Dartmouth College
Dartmouth College: Mqed: Geometry in Art and Architecture
Students learn about art and mathematics. Topics include the golden ratio, platonic solids, and number symbolism. The learning resource includes a description, requirements, syllabus, and bibliography.
Wolfram Research
Wolfram Math World: Distance
MathWorld.com gives a formula for finding distance using the Pythagorean theorem. The formula for finding the distance between two points in Euclidean space is given on this page. The page has links to related topics.
Other
National Council of Supervisors of Mathematics:geometric Tasks
National Council of Supervisors of Mathematics:Geometric Tasks is a teacher resource that uses the Problem of the Month (POM) strategy as a way to solve pattern and other problems.
Success Link
Success Link: Flying Into Spring
Here are two lesson plans that apply geometric concepts to design objects. The first involves students as a group following step by step instructions on making a kite. After the review of geometry vocabulary, in cooperative groups the...
Annenberg Foundation
Annenberg Learner: Teacher's Lab: Shape and Space in Geometry
Online activities are given to explore space and shape in geometry.
Illustrative Mathematics
Illustrative Mathematics: G Mg Toilet Roll
Picture a roll of toilet paper; assume that the paper in the roll is very tightly rolled. Assuming that the paper in the roll is very thin, find a relationship between the thickness of the paper, the inner and outer radii of the roll,...
Illustrative Mathematics
Illustrative Mathematics: G Mg How Many Cells Are in the Human Body?
About how many cells are in the human body? The purpose of this task is for students to apply the concepts of mass, volume, and density in a real-world context. Aligns with G-MG.A.2.
Illustrative Mathematics
Illustrative Mathematics: G Mg Paper Clip
A paper clip is just over 4 cm long. How many paper clips like this may be made from a straight piece of wire 10 meters long? This high level task is an example of applying geometric methods to solve design problems and satisfy physical...
Better Lesson
Better Lesson: Mars Habitat
In this lesson, students are asked to examine a model for a space station on Mars that will house six researchers studying the possibility of establishing a colony. Given the dimensions of the station and the minimum amount of space...
Purple Math
Purplemath: Geometric Formula Review
Need to freshen up on your geometric formulas? This explanation focuses on some basic formulas that should be committed to memory such as area, volume, perimeter, and more.
CK-12 Foundation
Ck 12: Algebra: Comparison of Problem Solving Models
[Free Registration/Login may be required to access all resource tools.] Use the strategies of making a table and looking for a pattern to solve problems.
CK-12 Foundation
Ck 12: Algebra: Problem Solving Models
[Free Registration/Login may be required to access all resource tools.] Devise a plan to solve a problem.
CPALMS
Cpalms: Mudslide
[Free Registration/Login Required] This is a formative assessment task where students are asked to first make a mathematical model of a mudslide given the dimensions of the area it covers. They then use an estimate of density to...
CPALMS
Cpalms: Population of Utah
[Free Registration/Login Required] This is a formative assessment task where students are asked to estimate the population of Utah based on information given about its population density and the perimeter of its state boundaries. Samples...
CPALMS
Cpalms: How Many Trees?
[Free Registration/Login Required] In this formative assessment task, students are asked to find the density and the estimated number of trees in a forest, given certain parameters. Samples of student responses and possible...
Khan Academy
Khan Academy: Activity: Engineering Design Challenge
From the San Francisco 49er's Museum Education Program which promotes STEAM projects, students construct an irrigation system for the football field. The concept of engineer design is explored.
Khan Academy
Khan Academy: Activity: Goalpost Design Challenge
From the San Francisco 49er's Museum Education Project which promotes STEAM projects, students construct a goal post using engineering concepts.
Khan Academy
Khan Academy: Activity: Exhibit Design Challenge
From the San Francisco 49er's Museum Education Program which promotes STEAM concepts, students construct a three dimensional (3-D) artifact stand that is the exact replica of "The Catch" which is 70 inches high. Emphasis is placed on...
Khan Academy
Khan Academy: Solid Geometry Word Problems
Solve problems concerning real-world situations with the volumes of cones, cylinders, and spheres.
PBS
Pbs: Reroofing Your Uncle's House
Predict the correct amount of roofing material needed to reroof a house while learning about the importance of proper planning.