Curated OER
Scaled Rubber Band Drawings
Students demonstrate the process of creating a scaled rubber band enlargement of a simple drawing. They observe and discuss a teacher-led demonstration, and create a scaled rubber band enlargement of simple drawings and their invention...
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Transforming Triangles
Sixth graders graph translations (slides) and reflections (flips) on a coordinate plane. They visualize and identify geometric shapes after applying transformations on a coordinate plane. Finally, 6th graders write a paragraph telling...
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Teaching the Yoshimi Sode-Dako (Sleeve Kite)
Students explore Japanese culture through the art of kite-making. They read several selections on the importance of kites in Japanese to a Japanese holiday and the physics behind flying a kite. Then they work in amall groups to build and...
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Geometry of Democracy
Students explore the architecture of New England by identifying geometric shapes. Â For this architectural lesson, students examine photographs of classic building architecture and use a transparency to trace geometric shapes they...
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African Ceremonial Masks
Fourth graders examine and discuss the purposes and traditions of African ceremonial masks. They design and create African ceremonial masks using various materials.
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Slope Right Up
Middle schoolers use triangles to find the length and slope of each side. After connecting the vertices, they add points based on their specific instructions. They use the Pythagorean Theorem to complete a worksheet to end the lesson.
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Translations, Reflections, and Rotations
High schoolers are introduced to the concepts of translation, reflection, and rotation. They practice translating, reflecting, and rotating two-dimensional objects on the coordinate plane. students use computers to learn about the three...
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Who's In The Fact Family?
Students study related addition and subtraction facts. In this math instructional activity, students use related addition and subtraction to solve problems. Students use manipulatives to explore fact families.
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Let the Matrix Do It
Pupils create a matrix of the vertices of a triangle and produce new matrices that dilate, translate, rotate, and reflect the original triangle. After multiplying each matrix by a new scale factor, they graph the new matrix and describe...
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Fly on the Ceiling
Fourth graders play variety of games to help them explain coordinates.
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Kindness Compliments
Learners write compliments for the staff at their school. In this compliments lesson plan, students demonstrate kindness by anonymously writing and taping compliments to people's doors around the school.
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Mirror Tool
Learners define properties of polygons. In this geometry lesson, students differentiate between similar and congruent polygons. They identify and use the properties of solids to solve problems.
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Terrific Tessellations
Pupils explore tessellations that are found in nature and everyday objects. They observe the works of M.C. Escher. Students create their own tessellations using pencil and paper.
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Friendship Quilt
Third graders name different kinds of shapes and then discuss what they know about them an what they would like to learn using a K-W-L chart whole group. They listen to the book, THE GREEDY TRIANGLE and then retell it to the class. They...
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Pattern Using Unit Cells
Students explore the pattern of the unit cell. In this science lesson, students color the unit cells on a worksheet and create a pattern using unit cells.
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Odd Thing Out
Students listen to the math problem provided and work in groups to solve. They think about the objects and write down their information in a table. Class construct the table on a large piece of paper that can be put on the wall after the...
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Building Paper Bridges
Students construct a bridge that can hold 100 pennies. In this math lesson, students evaluate the strength of their bridges. They predict how much weight a bridge can hold based on its design.
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Similar or Not?
Fifth graders define the meaning of similar and congruent using concrete objects. They make similar and congruent figures using geoboards. They draw their figures on dot paper, and color their designs.