EngageNY
Congruence, Proof, and Constructions
This amazingly extensive unit covers a wealth of geometric ground, ranging from constructions to angle properties, triangle theorems, rigid transformations, and fundamentals of formal proofs. Each of the almost-forty lessons...
EngageNY
Revisiting the Graphs of the Trigonometric Functions
Use the graphs of the trigonometric functions to set the stage to inverse functions. The lesson reviews the graphs of the basic trigonometric functions and their transformations. Pupils use their knowledge of graphing functions to model...
Curated OER
A Different Point of View
Elementary schoolers utilize a pattern worksheet embedded in this plan to work on a deeper understanding of geometric concepts like symmetry and congruency. Since geometry is such a visual form of mathematics, this lesson plan should fit...
Curated OER
Folding Shapes; Are the Sides the Same?
Second graders explore geometry by experimenting with fold-ables. In this geometric shapes lesson, 2nd graders utilize cutout shapes from construction paper which they experiment with by folding. Students examine the symmetry and...
Curated OER
Transformation
Third graders investigate symmetry by reflecting objects in different angles. In this geometrical transformation lesson, 3rd graders define the terms translation, rotation and reflection in order to physically turn geometric...
Curated OER
Frieze Design in Indigenous Art
Students describe Frieze designs using the work of indigenous people. In this math lesson, students create 7 frieze designs using different patterns. They create one row of repeated art and repeat this 7 times over...
Curated OER
Introduction to Fractals: Infinity, Self-Similarity and Recursion.
This instructional activity introduces young scholars to the ideas involved in understanding fractals. They develop a sense of infinity, self-similarity and recursion and
Curated OER
Symmetry
Sixth graders explore symmetry and discuss the difference between a rotation and reflection. Using hands-on activities, such as folding paper shapes, they discover how to find the lines of symmetry and symmetrical characteristics. As a...
Curated OER
Drawing Lines of Symmetry
Third graders explore the concept of symmetry using geometric shapes, capital letters and various other shapes. They fold shapes to show symmetry, draw lines of symmetry and create symmetrical designs.
Curated OER
Mira, Mira on the Wall: Reflections
Learners investigate and perform reflections and symmetry. In this geometry lesson, students compare and contrast the relationship between reflections and symmetries.
Curated OER
Am I Seeing Double?
Students explore symmetrical design and lines of symmetry. For this fourth grade geometry lesson, students create their own symmetrical design and identify and label the lines of symmetry. Students use one design to create a...
Curated OER
Symmetry
Students identify the different symmetry in polygons. In this geometry instructional activity, students identify line, rotational and point symmetry in different objects. They find the symmetry with 90% accuracy.
Curated OER
Reflections over Two Lines & Dilations
Students create reflections over two lines. For this reflections worksheet, students compare and contrast reflections over parallel and intersecting lines. They dilate figures and investigate the effect of the dilation using measurement...
John Lentine
Butterflies and Bugs
Symmetry, line, shape, art, and math are all connected through a fun hands-on craft. Included are instructions to a classic activity, where learners create butterflies to show symmetry in nature and then discuss symmetry in math. It is...
Curated OER
Absolute Value And Symmetry
Students engage in a instructional activity that is concerned with the concepts of absolute value and symmetry. They define the meaning of absolute value and graph functions and study the corresponding line and its symmetry. The...
Curated OER
Marshmallow Figures
Students enjoy making 3-D figures while learning about rectangular prisms, pyramids, vertices, edges, and faces. After a lecture/demo, students use marshmallows, toothpicks and a worksheet imbedded in this lesson to create 3 dimensional...
Curated OER
Using Symmetry to Find the Vertex of a Parabola
Learners engage in a lesson that is about finding the vertex of a parabola while using symmetry. They use the symmetry to find out where the two lines meet. The line is displayed with the help of a graphing calculator. The lesson...
Curated OER
Technology Integrated Lesson
Students investigate symmetry in the real world. In this geometry instructional activity, students inter-relate math and technology. They create and name a variety of polygons.
Curated OER
Slides, Flips. Turns......It's All On A Memory Book Page
Fourth graders use tangram sets to investigate the congruence of shapes. They use congruent shapes to demonstrate the properties of slides, flips, and turns. They complete a math journal entry that describes and illustrates each concept.
Curated OER
Math is Beautiful
Students explore how geometry is used on the composition of artworks by artists from different cultures. This instructional activity is equally suited for a Math or Art classroom at the late-elementary or early-middle school level.
Curated OER
Cutouts
Young scholars identify symmetry in shapes. In this geometry lesson, students fold paper to identify lines of symmetry. Young scholars create various symmetrical shapes using folded paper.
Curated OER
Reflections
In this reflections worksheet, 10th graders solve and complete 34 different problems that include determining various reflections. First, they trace the figure and draw its reflection in each line. Then, 10th graders use the diagram...
Curated OER
Sled Kite Proportions
Students build sled kites. in this kite building lesson, students must read directions for kite building and enlarge the proportions of the given kite pattern. Students focus on the angles and line of symmetry in their kite.
Curated OER
The Geometry of Paul Goble's Artwork
Students examine the concepts of geometry used by Paul Goble in his book Adopted By The Eagles. After analyzing Mr. Goble's work they create an original piece featuring symmetry, pattern, repetition, and other principles of geometry....