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
Analyzing 3-D Shapes and 2-D Representations
Students can analyze 3-D objects better with actual physical models and by also drawing 2-D representations of them.
Curated OER
Creating 3-D Shapes in Art
By learning techniques for drawing 3-D shapes, students can create realistic drawings.
Curated OER
Geometry is Fun and EverywhereGeometry, You Don’t Care? Geometry is Fun and Everywhere
Third graders investigate shapes in our world. In this geometry lesson, 3rd graders describe plane and solid shapes and identify angles, solid objects and lines of symmetry. Students use online resources, graphic organizers and conduct...
Curated OER
Conics in Geometry
High schoolers analyze characteristics and properties of two and three-dimensional shapes in this geometry activity. They follow detailed directions to use the Cabri Geometry II Application on their TI-89 calculator to construct a...
Curated OER
Shape City
Students add to a class Shape City by designing and constructing new buildings.
Curated OER
Sort it Out
Students identify and sort a variety of two- and three-dimensional objects and compare and contrast their attributes. They identify shapes, locate shapes on the faces of solids, sort real objects and explain the sorting rule, and...
Curated OER
Symmetry that is Basic and Beautiful
Learners explore lines of symmetry. In this symmetry lesson, students divide and combine shapes along basic lines of symmetry. Learners explore symmetry in real life objects.
Curated OER
New Kids on the Block
Second graders identify and describe in their own language, the following 2-dimensional and 3-dimensional shapes: triangle, square, oblong (non-square rectangle), circle, oval, pentagon, hexagon, diamond, box, cylinder, and sphere. They...
Curated OER
Property Lists for Quadrilaterals
Students establish classifications of shapes by various properties (angles, sides, etc.). They introduce the important properties of common shapes. Students develop an awareness of the wide variety of ways the 2-D shapes can be alike.
Curated OER
Nets of 3-Dimensional Figures
In this nets worksheet, students determine which figures will make given nets, then write the names of 4 given shapes. A reference web site is given for additional activities.
Curated OER
Geo Jammin'
Students compare and contrast related two- and three-dimensional shapes, and complete a Venn diagram illustrating the attributes of each. Using a poem pattern from another lesson, students use data from the diagram to write an attribute...
Curated OER
Shape Walk
Students take a field trip to a local park or beach to collect objects. They practice counting the objects and put them into categories according to type of shape like a cone, cylinder, etc... As an extension to the lesson students could...
Virginia Department of Education
Geometry and Volume
The history of math is fascinating! Utilize a woodcut primary source image from 1492 and posters from the 1930s to help geometers apply their volume-calculation skills to real-life questions.
Carnegie Mellon University
Technical Sketching Worksheets
How do you create a technical drawing? Cover the basics of technical sketching with a few practice sketches of simple shapes. A technical sketching lesson introduces the proper precision measurement techniques. Pupils progress...
Curated OER
Identifying Angles
Fourth graders discuss and examine examples of the different types of angles. After learning the names of the geometric shapes students identify the types of angles and then complete the Kidspiration activity, Identifying Angles.
Curated OER
Papier-Mâché Globe
Paper mache projects are great for using up paper from the recycle bin. Give your class the chance to create a three-dimensional globe out of paper mache. They'll work to make their globes as accurate as possible, adding proper colors...
Balanced Assessment
Square and Circle
To determine the dimensional change to quadruple the area, class members determine how to increase the dimensions of a square and a circle to increase the perimeter by a given factor. they then calculate the necessary factor to...
Curated OER
Balancing Act
Second graders identify the attributes of various shapes and estimate the weight of the objects. In this geometry lesson, 2nd graders identify the attributes of concrete objects and use a pan balance to weight them.
Curated OER
Surface Area
Sixth graders compute the surface area. In this surface area instructional activity students are given a set of problems to calculate. They compute the surface area of cubes and rectangular boxes.
Curated OER
Polygon Perimeters
Fourth graders practice finding the perimeter of shapes. In this measurement lesson, 4th graders review the meaning of perimeter and work in groups to draw polygons with differing perimeters. Students share their polygons...
Curated OER
Surface Area and Measuring
Tenth graders explore volume and surface area through percentages. In this geometry instructional activity, 10th graders analyze the surface area of two and three dimensional shapes, then use percents and ratio to compare the two.
Curated OER
Super Shapes Part 2 - Circles
Through the use of Internet, video, and hands-on activities, youngsters learn the parts and characteristics of a circle. This fantastic lesson has some excellent website activities included in the plan. Your kids will have a much greater...
Curated OER
SHAPE UP
Third graders use the computer to draw and compare the attributes of two and three dimensional shapes.