Lesson Plan
Curated OER

Straws and Shapes

For Teachers 6th - 9th
Students investigate the concepts related to observing two dimensional objects. They also build three dimensional objects using the two dimensional objects. The students give an oral or written explanation for how the pieces fit together...
Handout
El Paso Community College

Geometry Definitions

For Students 7th - 9th Standards
Geometry is full of shapes, figures, and corresponding things here and there. The guide shares all of the key pieces of geometric information in a nicely color-coded and labeled sheet. 
Lesson Plan
Curated OER

Mandalas, Polygons and Symmetry

For Teachers 9th - 11th
Students create a geometric pattern using mandalas, polygons and symmetry. For this geometry lesson, students analyze the mathematics involved in making the mandalas, including the shapes and symmetry. Students create their own mandalas...
Worksheet
Curated OER

Brain Teaser- How Many Triangles?

For Students 4th - 5th
In this geometry instructional activity, students examine a picture that has many hidden triangles. Students count the triangles they discover and color the picture.
Worksheet
Curated OER

Sides and Vertices of Shapes

For Students 4th - 6th
In this sides and vertices activity, students identify how many sides and vertices various shapes have. A reference web site is given for additional activities.
Activity
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Curated OER

Task: Grain Storage

For Teachers 7th - 10th Standards
Farming is full of mathematics, and it provides numerous real-world examples for young mathematicians to study. Here, we look at a cylinder-shaped storage silo that has one flat side. Given certain dimensions, students need to determine...
Lesson Plan
Curated OER

Social Studies: Adinkra Printing

For Teachers 1st
First graders demonstrate a sense of artistic composition by creating shapes and symbols in the pattern of African Adinkra printing. They use glue to create a raised design and then print it on colored paper. Students use symbols from...
Lesson Plan
Curated OER

Basic Right Triangles

For Teachers 2nd - 4th
Elementary schoolers examine the attributes of triangles. In this triangle activity, learners compare regular triangles and right triangles. They explore vertices and angles and investigate obtuse and acute angles. Pupils draw multiple...
Lesson Plan
Curated OER

Patterns Here, There, and Everywhere!

For Teachers 4th - 6th
Upper graders access the Microsoft Word program and create patterns by utilizing certain keys on the keyboard. They create picket fences, smiley faces, and hearts. It seems that this lesson has as much to do with keyboarding skills as it...
Worksheet
Curated OER

Classify Quadrilaterals

For Students 4th - 6th
Here is a quadrilateral activity in which learners choose words that describe shapes, words to complete sentences that describe shapes. A reference web site is given for additional activities. 
Lesson Plan
Curated OER

Let's Play Mathematical Baseball

For Teachers 3rd - 5th
Students explore the concept of spelling geometric terms and words with number prefixes. In this spelling geometric terms and words with number prefixes lesson plan, students play a game of baseball. Students spell words correctly to...
Lesson Plan
PBS

Geometry: Hide and Seek

For Teachers 5th - 7th Standards
A geometry game that resembles Battleship is the foundation for hide and seek where "hiders" draw shapes on coordinate planes and "seekers" must guess the shape and its location based on questions and clues. Reproducible, paper-sized...
Lesson Plan
National Security Agency

Classifying Triangles

For Teachers 4th - 8th Standards
Building on young mathematicians' prior knowledge of three-sided shapes, this instructional activity series explores the defining characteristics of different types of triangles. Starting with a shared reading of the children's...
Lesson Plan
Curated OER

Geometry in Art

For Teachers 4th - 6th
Students recognize and measure geometric shapes within abstract art. They examine quilts for shapes and they each make their own quilt from squares using geometry and measurement.
Lesson Plan
Curated OER

Geometry in Art

For Teachers 4th - 6th
Students examine mathematical symbols and formulas included in works of art. They analyze quilts for shapes and they each make their own quilt from squares using geometric shapes.
Lesson Plan
Curated OER

Marshmellow Geometry

For Teachers 5th - 10th
Students explore a variety of geometric shapes, name them, and list their characteristics. The shapes are transposed into structures and checked for accuracy.

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