PPT
Curated OER

Quadrilaterals - Diagonals

For Teachers 2nd - 4th
Young geometers take a look at a variety of shapes and name each one. All of the shapes are quadrilaterals, and they all have intersecting diagonal lines running through them. This presentation would be good to use as an introduction to...
Interactive1:45
Scholastic

Study Jams! Classify Triangles

For Students 5th - 8th Standards
Jam on with this multi-faceted activity teaching triangle classification. Start with a learner-paced lesson describing the different qualities of triangles and follow with a fun karaoke session. Also provided are two types...
Interactive3:21
Scholastic

Study Jams! Transformations

For Students 7th - 9th Standards
Flip, spin, and shift with this vocabulary-rich video on transformations. Learners watch different movements and see how to move an object without affecting its size. The video follows with a multiple choice assessment that...
Lesson Plan
Curated OER

Johnny Appleseed Origami

For Teachers 2nd
Second graders make an origami Johnny Appleseed. In this geometry instructional activity students follow folding instructions. They find different geometric shapes while they are folding. They create Johnny Appleseed's body and attach a...
Lesson Plan
Curated OER

Wallpaper and Tessellations

For Teachers 2nd - 5th
Students learn about and make tessellations.  In this geometry instructional activity, students watch a video about wallpaper tessellations and use a handout to learn about tessellations. Students make an irregular...
Lesson Plan
Curated OER

I. M. Pei and the Geometry of the NGA

For Teachers 5th - 8th
Students compare design elements in neoclassical and modern architecture. They review knowledge of triangles and quadrilaterals and design a geometric pattern using Pei's polygons They create a city plan using a variety of lines and...
Lesson Plan
Curated OER

Geometry

For Teachers 4th
Fourth graders explore symmetry and congruent figures. They draw letters of the alphabet that have symmetry, draw congruent figures, draw figures on dot paper, and complete three worksheets.
Lesson Plan
Curated OER

Geometry Fun

For Teachers 3rd - 5th
Students learn the basic definitions of a quadrilateral, parallelogram, rectangle and square and explain the relationship/classification process between them.
Worksheet
Curated OER

Geometry Practice: Contrapositive

For Students 9th - 12th
In this contrapositive worksheet, students solve 6 multiple choice and short answer problems. Students write the contrapositive of a conditional statement.
Worksheet
Curated OER

Geometry: Calculating the Area of a Circle

For Students 7th - 9th
In this area worksheet, students use the perimeter or radius to determine the area of a circle. This one-page worksheet contains 8 problems. This worksheet may be produced in printed form. Answers may be viewed on-line.
Worksheet
Curated OER

The Geometry of Solids

For Students 8th - 10th
In this solids worksheet, students compute the volume of prisms, cylinders, pyramids, spheres and cones.  This seven-page worksheet contains approximately 68 problems. 
Lesson Plan
Curated OER

Tangram Geometry

For Teachers 1st - 5th
Students listen to a story involving Tangram pieces. Students use Tangram pieces to complete shapes using an outline of a design.
Lesson Plan
Curated OER

Edible Geometry

For Teachers 6th - 8th
Middle schoolers examine a chart that lists the main characteristics of polygons and 3 dimensional figures. They make examples of the polygons and figures using pretzels and gum drops showing how the gum drops are vertices and the...
Lesson Plan
Curated OER

Baseball Geometry

For Teachers 6th - 8th
Middle schoolers apply various methods for finding the volume and surface area of sphere. They compare and contrast results among these mathematical methods. They work in cooperative groups to discuss their results with one another.
Worksheet
Curated OER

A Geometry Worksheet - Similar Triangles

For Students 9th - 12th Standards
In this similar triangles worksheet, students find the scale factor of 6 sets of similar triangles. Students find the scale factor of two similar triangles given a sketch with measurements. Students use proportions to find a missing side...
Worksheet
Raytheon

Geometry: Circles

For Students 6th - 8th
In this geometric circumference worksheet, 8th graders calculate the circumference of each of the 18 circles. The remaining pages of the worksheet include formulas and lesson ideas on finding the circumference of circles.
Worksheet
Curated OER

Kuta Software - Infinite Geometry: Similar Triangles

For Students 9th - 12th
In this similar triangles instructional activity, students solve 20 short answer problems. Students determine if two given triangles are similar.  Students determine the type of similarity given two triangles. Students are given a...
Worksheet
Curated OER

Kuta Software: Infinite Geometry - Classifying Quadrilaterals

For Students 9th - 12th
In this classifying quadrilaterals worksheet, students classify 18 quadrilaterals in short answer format. Students use quadrilateral properties of classify quadrilaterals given a sketch.
Worksheet
Curated OER

Geometry: Calculating Volumes

For Students 9th - 12th
In this volume worksheet, students find the volume of 6 prisms/cylinders.  Students use a picture and given measurements of the prisms/cylinders to find the volume.
Lesson Plan
Curated OER

Geometry- Hands and Feet

For Teachers 2nd - 5th
Students identify units of measurement. In this measurement lesson, students predict the length and width of their hands and feet. Students discuss their findings and if their predictions were correct.
Lesson Plan
Curated OER

Geometry of Democracy

For Teachers 3rd - 5th
Learners explore the architecture of New England by identifying geometric shapes.  In this architectural instructional activity, students examine photographs of classic building architecture and use a transparency to trace geometric...
Lesson Plan
Curated OER

Kindergarten: Geometry in Our World (Centers)

For Teachers K
Students identify attributes in real-life objects and models of solids and connect these attributes to characteristics of shapes such as circles, triangles, squares, and other rectangles. They discuss the ability of the object to roll,...
Worksheet
Curated OER

Geometry Standardized Test Practice

For Students 10th
In this figures and graphs review worksheet, 10th graders solve and complete 23 various types of problems that include identifying various figures and graphs. First, they name the transformation that maps the unshaded figure or preimage...
Worksheet
Curated OER

Geometry Standardized Test Practice

For Students 10th
In this angles and figures review worksheet, 10th graders solve and complete 39 different multiple choice problems. First, they find the length of a line between two given points. Then, students name the type of transformation and the...

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