Curated OER
Calculate Volume
In this volume worksheet, students calculate the volume of different sized boxes. Students calculate the volume of 3 boxes with the measurements given to them.
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Calculate Volume
In this area practice worksheet, students examine 3 figures and use their problem solving skills and the information provided to calculate their volume. Students show their work in the space provided.
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Calculate Perimeter Using Grid Method
In this geometry skills instructional activity, students solve 4 problems that require them to calculate the perimeter of squares and rectangles on grids.
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Calculating Perimeter
In this perimeter worksheet, learners calculate the perimeter and find given values of 6 figures. A reference web site is given for additional activities.
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Identifying Triangles
In this triangles practice worksheet, students respond to 4 questions that require them to identify the pictured triangles as acute, right, or obtuse triangles.
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Find the unknown angle in the following triangles
In this unknown angle worksheet, students find the unknown angle in the triangle that gives them 2 angles. Students find 9 unknown angles.
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Measure Angles: Greater Less Than or Equal To?
In this measuring angles activity, students determine whether given angles or more than, less than or equal to 90 degrees. 
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Angle Comparison to Right Angles
In this angles worksheet, students solve 4 problems in which an angle is analyzed and measured. Students tell if each angle is greater than, less than or equal to a right angle.
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Identify different types of angles
In this angles instructional activity, students identify angles as either being acute, obtuse, right, or straight. Students identify 4 angles.
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Identifying Angles
In this angles practice worksheet, students respond to 4 questions that require them to identify the pictured angles as acute, right, or obtuse angles.
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Identify Angles: Obtuse, Right, Straight and Acute
In this triangle worksheet, students identify angles as either obtuse, right, straight or acute. A reference web site is given for additional activities.
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Identify the Angles
In this angle review worksheet, students examine 4 angles and identify each of them as acute, right, obtuse, or straight angles.
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Lesson Exchange: Polygons (Middle, Mathematics)
Pupils discover the relationship between the sides of a polygon and the number of diagonals that can be drawn from one vertex, the number of triangles that those diagonals form, and the sum of the interior angles of that polygon.
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Geo Jammin' - Day 5, Lesson 17: Geo Sakes Alive!
Second graders, given geometric instructions, try to create their own Geo George puppet.
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Geometry and Symmetry
Students examine tessellations and their geometric properties. The lesson and discussions may be used to develop students' understanding of polygons and symmetry as well as their ability to analyze patterns.
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Turn Symmetry
Fourth graders observe geometric patterns to determine if they show rotational or point symmetry. They participate in the a demonstration instructional activity with a triangle. They create their own designs that show rotational or point...
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Calculate Volume Pictorial
In this volume worksheet, students calculate the volume by finding out how many units each figure has. Students complete 4 problems where they find the volume.
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Geometry in the Heavens
Ninth graders access a star worksheet and determine properties of polygons. In this investigative instructional activity students complete a worksheet and discuss myths.
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Lines, Rays, Line Segments, and Planes
Students are introduced to lines, rays, line segments and planes and study the differences between them. They also practice graphing lines, rays, line segments and planes
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Calculating Area
In this area learning exercise, students calculate the area of shaded figures shown on grids. A reference web site is given for additional activities
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Calculate Volume and Surface Area
In this volume and surface area activity, students are given the volume of 4 figures and find the area. A web site reference is given for additional activities.
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Calculate Perimeter Using Grid Method
In this perimeter learning exercise, students find the perimeter of shaded areas shown a grids, 2 total. Students write total area in square units. A reference web site is given for additional activities.
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Calculate Perimeter Using Grid Method
In this calculating perimeter worksheet, students find the perimeter of shaded areas shown on grids, writing perimeter in units. A reference web site is given for additional activities.
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Identify Triangles #2
In this triangle worksheet, students identify a set of 4 triangles as either equilateral, isosceles or scalene. A reference web site is given for additional activities.
