Curated OER
Creating Shapes
In this geometry skills lesson, students respond to 4 questions that require them to examine the pictured shapes and follow the instructions to create new shapes out of them.
Curated OER
Similar Situations
Students explore intersecting lines. In this intersecting lines lesson, students investigate shapes consisting of parallel, perpendicular, and similar lines. Students investigate these lines in shapes around them.
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Coordinate Geometry
Grab your class and get them graphing polygons on a coordinate plane! They investigate the four quadrants, discover the x and y axis, and correctly plot ordered pairs. To show their comprehension, each child creates a coordinate picture...
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Solid Shapes
In this solid shapes worksheet, students read descriptions of solid shapes, then label a set of pictures with either box, cylinder, pyramid or cone.
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Nature of Geometry
Fourth graders capture geometry in nature. In this nature of geometry lesson, 4th graders use digital cameras to find real life examples of geometric terms. Students create a presentation using the digital pictures and terms with...
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Three Dimensional Figures
In this geometry worksheet, students study diagrams with labels of common geometric figures. Students then answer 24 questions. Then they draw and label their own figures.
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Parallel and Perpendicular Lines
Learners study parallel and perpendicular lines. In this parallel and perpendicular lesson, pupils explore 2-D shapes and determine if the sides are parallel or perpendicular.
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Shapes at Work
Students use their classroom to look for various types of shapes. In their science journals, they record the shapes they find and identify those that can be used to solve problems or build structures. They share and post their sketches...
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Geometry House!
Fourth graders use computer drawing tools to create a house of geometric shapes.
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Brain Teaser- How Many Triangles?
In this geometry worksheet, students examine a picture that has many hidden triangles. Students count the triangles they discover and color the picture.
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Spacemobiles
Aspiring astronauts construct a space vehicle using cylinders, cones, spheres, and rectangular prisms. This is an engaging method of learning about three-dimensional shapes. Note that the word cylinder is constantly misspelled in the...
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Folding Circles
Students explore circles. In this introductory geometry lesson, students cut out a circle and follow a series of instructions given by the teacher. Students fold the circle, answer questions, and draw conclusions.
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Draw It!
Students follow directions to make two- and three-dimensional shapes. Focusing on polygons, they use the shapes to solve real-world problems and review with the class. They read two of Shel Silverstein's poems and discuss the...
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Problem Solving Using Power Polygons
Students investigate geometric shapes by creating figures on a plane. In this polygon lesson, students complete a worksheet based on the angles in a power polygon. Students identify the different types of polygons and define their...
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Geometry Flip Book
Students investigate the concepts of geometry that can be grouped into a flip book that can be used for teaching and review purposes. They define the differences between two and three dimensional figures. Also polygons are reviewed and...
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Transformations-Shapes on the Move
Students examine transformations. In this math activity, students view and describe flips, slides, and turns. Students practice making transformations with shapes.
Exploratorium
Exploring Pattern Blocks
Here's a great lesson that uses one of the best manipulatives there is: pattern blocks. Elementary schoolers must fill in a variety of shapes using specific amounts of pattern blocks. This forces them to do some spatial mathematical...
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Quadrilaterals
Young scholars construct a variety of four-sided figures using a K'NEX Geometry Set. They view and discuss pictures of shapes, then in small groups they construct as many four-sided shapes as possible using the K'NEX Rods and Connectors....
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Geometry in the Constellations: The ER-2
Pupils discuss reasons to record the location of stars. They view a picture of the night sky, and discuss constellations. Students complete a worksheet of the various shapes they see in the constellations.
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Area of Tangram Pieces
Mathematicians calculate the area of a tangram piece without using formulas. They use a geometry journal to record activities during this lesson. They make a set of tangrams and use them to compute area. They use what they discover to...
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Area, Perimeter and Rations Using Pentominoes
Learners of all ages investigate area and perimeter through pentominoes. In this geometry instructional activity, students calculate the are and perimeter of different geometric shapes and describe the properties of similar and congruent...
Curated OER
Drawing to Scale
Students examine the process of drawing a picture to scale. They analyze and discuss real-life blueprints for a house, and create a scale drawing of an original invention using calculators and rulers.
Curated OER
Perimeter
In this perimeter worksheet, students find the perimeter of 8 geometric shapes. There are instructions and samples on the page.
Curated OER
Cut - Stretch - Fold
Students work on determining the area of a tangram piece without using a formula by working with geoboards, graph paper, and tangram pieces. After completing the activity, they apply their experience to determining a formula for finding...