Worksheet
Curated OER

Triangle Puzzle

For Students 2nd - 3rd
In this geometric shapes worksheet, students analyze an intricate design of lines. Students look for all the triangles and tell how many there are.
Worksheet
Curated OER

Pair Them Up

For Students 2nd - 4th
In this geometric shapes practice worksheet, students examine 7 shapes on the left side of the page and match them with congruent shapes on the right side of the page. An example is included.
Interactive
Curated OER

Identify the Object Shape #2

For Students 2nd - 3rd
In the identify the object shape #2 worksheet, students choose the word that describes the geometric shape of a bangle, with get or check answer available.
Worksheet
Curated OER

Arithmetic and Geometric Sequences

For Students 11th - 12th
In this algebra worksheet, students perform operations using arithmetic and geometric sequences and series. They find the sum, missing and repeated terms. There are 22 problems
Lesson Plan
Curated OER

Surface Area with Polydrons

For Teachers 3rd - 4th
Students explore measurements by analyzing geometric shapes. In this surface area instructional activity, students identify the terms volume, weight, perimeter and area in order to find the requested measurements of specific polygons....
Worksheet
Curated OER

Combining Attribute Blocks

For Students 1st - 3rd
In this geometric shapes instructional activity, students analyze the colored attribute blocks and find the figures that can be made by combining those blocks. Students color the figures that are possible to make and draw an X through...
Lesson Plan
Curated OER

Marshmallow Towers

For Teachers 7th - 10th
Learners explore geometry by completing a marshmallow activity in class. In this architecture lesson plan, students identify the jobs of civil engineers and architects while identifying different geometric shapes as well. Learners...
Lesson Plan
Pennsylvania Department of Education

Euler's Formula

For Teachers 7th - 9th
Students explore geometry by defining a list of vocabulary terms. In this shape characteristics lesson, students identify a number of different shapes and discuss the amount of edges, vertices, and faces using the Euler formula. Students...
Lesson Plan
Curated OER

Basic Geometric Constructions

For Teachers 7th - 9th
Students observe and demonstrate a variety of basic geometric constructions using the Triman Safety Compass. Using the compass, they draw circles, bisect a line segment, construct an angle, bisect an angle, copy an angle, and create...
Worksheet
Curated OER

Geometric Images: Top View, Front View or Either

For Students 5th - 6th
In this geometry worksheet, students analyze 3 figures made of blocks. For each figure, students study a second image and indicate if it is a top view, front view or either.
Activity
Illustrative Mathematics

Paper Clip

For Teachers 9th - 11th Standards
With minimal setup and maximum freedom, young geometers are encouraged to think outside the box on a seemingly simple application problem. Though the task seems simple, measuring a given paper clip and finding how many 10 meters can...
Lesson Plan
EngageNY

Why Move Things Around?

For Students 8th Standards
Explore rigid motion transformations using transparency paper. Learners examine a series of figures and describe the transformations used to create the series. They then use transparency paper to verify their conclusions. 
Lesson Plan
Willow Tree

Perimeter of Common Geometric Figures

For Students 8th - 11th Standards
Help learners understand that perimeter and circumference are one in the same. Learners apply their skills to determine the perimeter/circumference of triangles, rectangles, and circles. They then use the same strategy to find the...
Lesson Plan
Willow Tree

Area of Common Geometric Figures

For Students 8th - 11th Standards
Scholars can use area formulas, but can they apply what they know about area? The lesson challenges learners to think logically while practicing finding area of shapes such as rectangles, circles, parallelograms, triangles, and other...
Interactive
CK-12 Foundation

Basic Geometric Definitions: Collinear Constellations

For Students 9th - 12th Standards
The stars are aligned for a great interactive resource. The interactive contains a graphic of Ursa Major. Given a movable ray, pupils check to see if the three stars that make the handle are collinear. They investigate the...
Lesson Plan
Curated OER

Our World of shapes

For Teachers 1st
First graders listen to Shapes and The Greedy Triangle to identify and describe examples of geometric shapes.  In this geometric shapes lesson, look for geometric shapes in real world places.  Students make a mobile of shapes...
Lesson Plan
Curated OER

3-D Attributes

For Teachers 4th - 6th
Students explore geometric solids. In this geometry activity, students listen to the book The Greedy Triangle by Marilyn Burns, then work in groups to sort geometric solids into various categories. Students define geometric solids...
Lesson Plan
Curated OER

Introducing Powers and Models

For Teachers 4th - 6th
Young scholars construct two dimensional models to illustrate squared numbers. For this geometry lesson, students use graph paper and an x/y axis to build squares exponentially. Young scholars identify powers and relationships between...
Worksheet
Curated OER

Isomer

For Students 9th - Higher Ed
In this isomer worksheet, students use molecular model kits to build isomers. Students work in groups and draw and name the isomers they build. They answer 9 questions about both geometric and structural isomers.
Lesson Plan
Curated OER

Isomers and Polymers

For Teachers 9th - 11th
Students create models of structural isomers, geometric isomers, and polymers.  In this chemistry lesson plan, students are given definitions and molecular model kits to create a variety of different isomers and polymers.
Worksheet
Curated OER

Seeing Solar Storms in STEREO-I

For Students 8th - 10th
In this geometric calculations of solar storms activity, students use a diagram indicating the location of 2 STEREO satellites, the earth and the sun to calculate the distance between a Coronal Mass Ejection and the Earth. They use...
Lesson Plan
Curated OER

Sequence Graphs

For Teachers 9th - 12th Standards
Investigate arithmetic and geometric sequences by using a graphing calculator to determine if a sequence is linear or exponential.
Lesson Plan
Curated OER

Captain Invincible and the Space Shapes

For Teachers 3rd - 6th
Young scholars recognize the features of geometric shapes.  In this geometric shapes lesson, students listen to Captain Invincible and the Space Shapes. Young scholars create solid figures with marshmallows and toothpicks. ...
Lesson Plan
Curated OER

Bead Weaving on a Loom

For Teachers 5th - 7th
Students investigate the process of weaving and how Native Americans wove beads on looms. They research Native American geometric patterns online, design a pattern on graph paper, and create a patterned beaded band.

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