Concord Consortium
Electron Geometry
It's time to whip your chemistry class into shape! Begin your study of molecular geometry with a colorful, 3-D interactive. The resource shows models of linear, trigonal planar, and tetrahedral molecules.
Curated OER
Shape Up
Middle schoolers explore differents types of triangles and quadriaterals. In this polygon lesson, students model identify and compare two and three dimensional geometric figures. Middle schoolers create tangrams and discover the...
Curated OER
Investigating Tessellations in 2 Dimensions
Students analyze tessellations. In this geometry lesson, students discover which shapes can or cannot be used to create a tessellation. Students watch a video, then create their own tessellations.
Curated OER
VSEPR Theory: Predicting the 3-D Shapes of Molecules
In this VSEPR theory worksheet, students draw the Lewis structures for 5 molecules, they build the molecule, sketch the structure, show the bond angles and name the molecule. They also answer a question about the VSEPR theory and what...
Curated OER
Area of 2D Shapes Multiple Choice
In this area worksheet, students compute the area of circles, parallelograms and rectangles. This one-page worksheet contains 5 multiple-choice problems. Answers are provided in this online worksheet.
Curated OER
Perfumania
Students identify various geometric shapes. Apply the given formulas to determine the volume of these shapes. Design their own container to conform to specifications provided. Use their knowledge of volume formulas and shapes to compute...
Curated OER
2D and 3D Shapes
Have your class use online activities to recognize the names and properties of 2D and 3D shapes. They will listen to their teacher describe a mystery shape and try to guess it. Additionally they will watch clips online about a 2D shape...
Curated OER
Shapes Picture Quiz
In this shapes picture quiz worksheet, students complete a set of 12 multiple choice questions, identifying shapes. A reference web site is given for additional activities.
Curated OER
Cutting Positive and Negative SYMMETRICAL SHAPES
Young scholars cut intricate symmetrical shapes on the fold. Also, they identify positive and negative shapes and warm, cool and neutral colors. Finally, they glue shapes to create a pleasing design.
Curated OER
Dancing Polygons and Non-Polygons with Patterns
Second graders study movements. In this dance lesson, 2nd graders draw patterns selecting one to represent through movement with their body.
Curated OER
Small and Large Squares
Young mathematicians classify squares according to attributes. They sort squares according to specific attributes. Students explore squares in repeating patterns and order squares according to size. Engaging extension activities are...
Curated OER
Perimeter All Around
Young scholars explore perimeter and area of regular and irregular polygons. They experiment with color squares and create different arrangements using the same number squares. Then they compare the area and perimeter measurements of each.
Curated OER
Finding Areas of Polygons and Circles
In this math worksheet, middle schoolers find the areas for the shapes. They apply the appropriate formula for each shape that is drawn and in the word problems.
Curated OER
A Rectangular Prism and Its Net
Identify the nets for prisms and other geometric shapes. Learners calculate the surface area of the rectangular prism then sketch the shapes of prisms and other polygons. Unfolded cereal boxes are used as a visual aid, great idea!
Curated OER
Interactivate - Geometry in Tessellations
Students use an on-line worksheet to experiment with patterns of tessellations in regular polygons. As students observe different shapes in the "Tessellate" Activity they complete a data table and practice making predictions for...
Curated OER
World's Fair Quilt Pattern
In this quilt patterns worksheet, 7th graders identify and complete 6 different problems that include various patterns using shapes. First, they fill the square with the polygons listed on the left as stated. Then, students use...
Curated OER
Perimeter of Polygons in Word Problems
Can your scholars find the perimeter of Peter's square of gold? They examine the shape and are given it's four equal side measurements in millimeters. Learners solve for the perimeter and should be reminded to include units in their...
Denton Independent School District
Build a Geome-Tree
Geometers construct a mobile or ornament using nets of three-dimensional polyhedrons. Not only do they need to compute the volume and surface area of each figure, they also earn points for creativity, neatness, and more!
Curated OER
Geometric Shapes at the OK Corral
Students explore regular geometric shapes. In this shapes lesson, students investigate geometric shapes in the world around them. Students differentiate between regular and irregular shapes.
Curated OER
Perimeter and Area of 2D Shapes
Young scholars find the perimeter and area of circles, triangles, and rectangles. In this perimeter and area activity, the teacher gives students formulas for each shape and measurement and works through examples on the board. While no...
Curated OER
Shape & Form
Students analyze the difference between shape and form. They identify, explain and use the basic elements of design and determine that forms are three-dimensional and shapes are two-dimensional. They sketch it on their paper and then...
Curated OER
Name Each Shape
In this math activity, students analyze 15 pictures of geometric figures and match them to the names which are provided in a word bank. Students tell how many lines of symmetry each shape has.
Curated OER
Geometry and Rubik's Cube
High schoolers explore geometry using a Rubik's Cube. In this 2-D and 3-D shapes lesson, students use the Rubik's Cube to find the center, edge and corner pieces. High schoolers then find the dimensions of the Rubik's Cube and read the...
Curated OER
Math - "Solid Shapes" - Comparing 3-D Objects
In this geometry learning exercise, students learn about 3-D objects and how to describe them. They then answer 10 questions using the information they learned. The answers are on the last page.
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