Curated OER
Poly-Mania
This hands-on lesson plan takes young geometers on a tour of 2D polygons and 3D polyhedrons. After exploring different web resources and discussing geometric shapes, small groups construct models of polyhedrons using bendable straws....
Curated OER
2D Polygons and 3D Nets
Students compare and contrast two dimensional polygons and three dimentional nets by examining the differences in drawings. They create three dimensional shapes and label the faces, edges, and vertices. After creating the shapes, they...
Curated OER
2D Shapes
This engaging presentation would be helpful for your young learners of geometry. Pupils are given clues as to what a shape may be, then they have to use those clues to guess what shape is being described. Shapes used are the circle,...
Curated OER
Powerful Polygons
Learners scan the classroom to find different common shapes. They listen as the teacher defines polygon and regular polygon. The teacher demonstrates regular polygons via the Internet and the "Math is Fun" web site. Students go outside...
Government of Hong Kong
Areas and Volumes - 2D Shapes
Unfortunately for young mathematicians, the world isn't made entirely of parallelograms, triangles, and trapezoids. After first learning the area formulas for these common shapes, students apply this new knowledge to determine the area...
Curated OER
2D and 3D figures
In this 2D and 3D figure worksheet, students name different shapes and decide if they are polygons or not. Students complete 8 problems.
Curated OER
Area of 2D Shapes Homework
In this geometry worksheet, students solve the area of 2D shapes starting with squares, rectangles, parallelograms, triangles, rhombi, trapezoids, circles, and ending with area of shaded regions. There are 20 questions.
Curated OER
2-D Polygons
Students investigate the concept of two dimensional polygons. They complete a vocabulary chart with the teacher or in independently. Students are shown various polygons in order to classify them and then asked to draw one of them from...
Curated OER
Names of 2D Shapes
In this 2D shapes worksheet, students fill in the blanks to name and describe the following four 2D shapes: circle, square, triangle and rectangle.
Curated OER
2D Shape Sheet
In this polygons activity, students examine 20 different polygons that are quadrilaterals. It is not clear what they are to do with them.
Curated OER
Find the 2D shape
In this 2D shapes instructional activity, students find the rectangular prism, triangular prism, pentagon, and triangle. Students have 3 shapes to choose from in each of the 4 problems.
Curated OER
2D and 3D Shapes
In this geometry worksheet, students draw 6 different shapes as requested by 6 specific directives in the circles provided. Students draw 2D and 3D shapes.
Curated OER
Area of 2D Shapes Multiple Choice
For 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
Magician Squares
Elementary school learners investigate the attributes of a square. They discover that squares are polygons and examine squares found in everyday life. They concentrate on connecting the word, square, with the shape. As an extension,maybe...
Curated OER
Geometric Shapes: Review of 2D and 3D Figures
In this geometric shapes worksheet, students identify 4 drawings as polygons or not, 1 drawing as regular or not and then write the name of 3 solid figures.
Curated OER
Area of 2D Shapes
In this area worksheet, students commence solving for area of squares and rectangles, and continue to parallelograms and triangles, and continue again to rhombi and trapezoids and finish with circles, polygons, and shaded regions. There...
Curated OER
2D Shapes (1)
In this shape recognition worksheet, students study each of the shapes and then write the names of the two-dimensional polygons on the lines.
Curated OER
Polygon Shapes
In this polygon worksheet, students study the various shapes and then name each of the two-dimensional shapes. Students write the shape names on the provided lines.
Curated OER
Meet the Polygon Family
Fourth graders investigate regular polygons. In this regular polygon lesson, 4th graders explore the attributes of different polygons. Students work in groups to complete a KWL chart regarding polygons.
Curated OER
Calculate the Area of Rectangles
A wonderful resource just waiting to be used. Provide learners with a complete explanation on how to calculate the area of a rectangle. After this process is covered, they will see how they can use rectangles to calculate the area of...
Alabama Learning Exchange
Twisted Tangrams
Primary geometers create a picture using tangrams. In this geometry lesson, students read Grandfather Tang: A Tale Told with Tangrams, cut out their own tangrams, and choose a character from the story to make using their tangram pieces.
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
2D Shape Sheet: Rectangle
In this 2D shape/rectangle worksheet, students view a picture of a large rectangle. Worksheet has no other associated activities. A reference web site is given for additional activities.
Curated OER
Three- and Two- Dimensional Geometry
In this three- and two- dimensional geometry activity, 7th graders solve 12 various problems related to geometric shapes and measurement. They first use paper and a pencil to sketch the front, side, back, top and bottom views of each...