Curated OER
The Geometry of Means
For this geometry worksheet, students are given a rectangle and a square. They verify ratios when given equal perimeters or areas. Students are given adjacent squares. They find the distance between the centers, and identify the means...
Curated OER
Geometry of Circles - Week 7 (Area & Circumference)
In this circle worksheet, students solve problems involving the circumference, area and arc length in a circle. They explore the union of circles and semicircles, as well as the line segments tangent to the circle. This two-page...
Curated OER
The Official Quilt of Alabama- The Pine Burr Quilt
In this quilting worksheet, students follow the directions to re-create the official quilt of Alabama, The Pine Burr Quilt. They use geometric shapes and stitching directions to make quilt squares.
Curated OER
Are We the Same?
Learners define and discuss symmetry, line of symmetry, and congruency. They cut shapes out of construction paper, identify the line of symmetry, and if they are symmetrical and/or congruent.
Curated OER
Patterns in the Sums of Polygon Angles
Sixth graders discover the patterns of sums of polygon angles. For this math lesson, 6th graders study the properties of geometric shapes to solve problems as they participate in hands-on activities.
Pennsylvania Department of Education
Rotational Symmetry of Polygons and Other Figures
Students explore geometry by participating in a shape rotation experiment. In this symmetry instructional activity, students identify the term symmetry and a list of other geometry vocabulary. Students analyze shapes as they are turned...
Curated OER
Balancing Act
Second graders identify the attributes of various shapes and estimate the weight of the objects. In this geometry activity, 2nd graders identify the attributes of concrete objects and use a pan balance to weight them.
Curated OER
Geometry Jeopardy!
A list of instructions for this exciting Geometry Jeopardy game is included on slide 2. There are a total of 25 clues and 5 categories, including: solids, triangles, lines, angles, and grab bag. Tip: Play this Jeopardy game with your...
Polk Bros Foundation
I Can Analyze Cause and Effect
Examine cause and effect by asking pupils to fill out a basic graphic organizer. The template is for any story or event and provides a line for writing in the story or event title. Pupils write in two causes in the circles and the change...
Curated OER
"The Greedy Triangle" by Marilyn Burns
Students review angles, sides, and properties of basic shapes. Using a geoboard, they make as many different tirangles as possible.
Curated OER
Triangles Are Not Bad
Learners explore cultural diversity. In this multiculturalism lesson, students participate in a simulation that requires them to consider the implications of belonging to cliques and stereotyping others.
Curated OER
What a Shape!
Second graders culminate their study of shapes by describing the shapes using the proper mathematical descriptors.
Curated OER
Geo Jammin' - Day 2, Lesson 4: Sing a Song of Shapes
Students learn five songs to define and develop understanding of the attributes of two- and three-dimensional figures and the meaning of mathematical terms. They classify objects as either two- or three-dimensional, through the use of...
Curated OER
Find the Radius of the Smallest Circle that Contains the Figure
In this geometry worksheet, learners calculate the radius of the smallest possible circle that contains the figure provided. The complete solution is provided by clicking on the "show solution" button found below the problem.
Curated OER
Geometry of Exploration: Eyes Over Mars
Students research how engineers and scientists generate linear and angular measurements with geometry to survey the Earth and Mars. They assess how geometric shapes affect navigation. A surveyor comes to the classroom and explains how he...
Curated OER
Displacement Problem Set
Students calculate the length of a side of a triangle using a trigonometric function. They calculate the measure of an angle given two sides of a triangle with a trigonometric function.
Curated OER
Beautiful Birds
Students engage in a lesson that is about birds while taking part in a variety of activities that are like the following. They play a game that is used for increasing memory while using bird pictures. Students also create a collage with...
Curated OER
That Rascal Pascal
Fourth graders use the concept of number patterns to complete a portion of Pascal's Triangle as well as identify and describe the patterns represented.
Curated OER
The X-33 and the X-38
Students explore the relationships among the lengths, areas, and volumes of similar solids. They also discover what effect doubling the dimensions of a figure has on the resulting area.
Curated OER
The Shapes Balancing Act
Young scholars comprehend the concept of balance, specifically the terms "base of support" and "center of gravity". They review the different basic shapes: triangle, circle, square, line, point, and rectangle. Students discuss how we...
Curated OER
Geometric Transformations
Students solve problems involving transformations of geometric figures. They review graphing points in the coordinate plain, plot points and connect to create a triangle. Then, they reflect triangles over the x and y axis and use...
Curated OER
Lesson Exchange: Polygons (Middle, Mathematics)
Students discover the relationship between the sides of a polygon and the number of diagonals that can be drawn from one vertex, the number of triangles that those diagonals form, and the sum of the interior angles of that polygon.
Curated OER
Circus Lesson
Students take part in group entertainment activities. In this circus lesson plan, students discuss their own memories of a circus and conduct several activities such as juggling scarves and creating balloon animals. Students discuss why...
Curated OER
Overlapping Squares
For this geometry worksheet, 10th graders determine the area of a shaded region formed from two overlapping squares where one corner of one square is at the center of the other square. The one page worksheet contains one...