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Assessment
Balanced Assessment

Plenty of Pentagons

For Students 6th - 8th
Why are only four colors needed to color webs from regular pentagons, not five? An assessment task requires young mathematicians to first construct regular pentagons using a compass and straightedge, then has them consider a shape formed...
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Lesson Plan
Curated OER

Worksheet 17 - Area

For Teachers 8th - 11th
In this area worksheet students read story problems, determine the necessary information to solve the problem. They find the amount of material needed to construct three-dimensional figures. Students determine the greatest and least area...
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Lesson Plan
Curated OER

Finding Perimeter and Area

For Teachers 3rd - 5th
Geometers find the perimeter and area of rectangles. They discuss the definitions and characteristics of rectangles and squares. In groups, they use yarn to discover the perimeter of squares and rectangles. They count cubes to explore...
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Lesson Plan
Curated OER

Area and Perimeter

For Teachers 10th
Learners find the area and perimeter of regular polygons and composite figures and examine the effect on the area and perimeter of a figure if the dimensions are multiplied by a constant. The nine page worksheet contains thirty-seven...
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Worksheet
Curated OER

Perimeter, Area, and Volume

For Students 10th
In this geometry worksheet, 10th graders determine the perimeter, area, or volume of the indicated figure.  The five page worksheet contains a combination of twenty-two multiple choice and free response questions.  Solutions and rubrics...
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Worksheet
Curated OER

Area of Polygons

For Students 10th
For this geometry worksheet, 10th graders determine the area of regular polygons.  The two page worksheet contains eight problems.  Answers provided. 
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Worksheet
Curated OER

Area of Triangles

For Students 6th - 8th
In this math learning exercise, students draw two triangles and one pentagon. Then they use the correct formula to calculate the area for each.
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Instructional Video7:11
HeyMath!

Volume of Pyramid

For Teachers 6th - 11th Standards
Go beyond the basic formulas and uncover the surface area and volume of 3-D shapes with this comprehensive and organized worksheet packet. The problems include the basic formula computations while also challenging your learners to derive...
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Worksheet
Curated OER

Finding Angles, Volume, Area, and Perimeter

For Students 4th - 6th
Elementary schoolers complete word problems dealing with the different kinds of measurements of different shapes. They solve 10 problems including perimeter, angles, volume, and more.
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Worksheet
Curated OER

Chapter 6: Geometry Perimeter and Area

For Students 10th - 12th
In this perimeter and area learning exercise, students find the perimeter of various polygons.  They compute the perimeter, surface area, circumference, and volume of given figures.  Students explore trigonometric ratios.  This...
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Lesson Plan
Curated OER

Geometry of Circles - Week 7 (Area & Circumference)

For Teachers 12th - Higher Ed
In this circle worksheet, pupils solve problems involving the circumference, area and arc length in a circle. They explore the union of circles and semicircles, as well as the line segments tangent to the circle. This two-page...
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Worksheet
Curated OER

Geometry Involving Figures - Week 12 (Ratio and Surface Area)

For Students 10th - 12th
In this ratio and surface area instructional activity, students find the ratio of surface area of one figure to another. They determine the length of sides and angles through similar figures. Students use trigonometric ratios to find the...
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Lesson Plan
Curated OER

Shapes and Their Insides

For Teachers 2nd - 4th Standards
Learners follow a series of instructions for drawing and coloring different shapes in order to learn the difference between the perimeter and area of a polygon. Then they are asked to find the perimeter and area of a 3x4 rectangular...
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Lesson Plan
Curated OER

Areas of Polygons

For Teachers 8th - 10th
Students calculate the are of regular polygons. In this geometry instructional activity, students create polygons on the computer and move it around to create different shapes. They explore the area of different polygons and how they...
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Worksheet
Curated OER

Right Triangles

For Students 10th
In this right triangles worksheet, 10th graders solve and complete 5 various types of problems. First, they solve each of the triangles shown and find the area of each triangle. Then, students find the perimeter and area of the regular...
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Lesson Plan
Curated OER

Geometry w/o Figures - Week 7 (Basic Geometry Formulas)

For Teachers 10th - 12th
In this basic geometry worksheet, students use basic formulas of geometry to find the area of a polygons, the number of sides of a polygon, and sum of the angles of various polygons. This three-page worksheet contains eight problems.
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Lesson Plan
Curated OER

Geometry of Circles: Week 7

For Teachers 10th - Higher Ed
In this circle worksheet, students determine the number of degrees in a minor arc, find the area of a circle, find the area of a shaded region. This two-page worksheet contains six problems.
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Lesson Plan
Curated OER

Linear/Planar Geometry - Week 5

For Teachers 12th - Higher Ed
In this linear and planar geometry worksheet, students use the Pythagorean Theorem, equation of a line, slope of a line and area formulas to solve problems. This three-page worksheet contains seven problems.
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Lesson Plan
Curated OER

Perimeter and Area of Rectangles

For Teachers 6th
Sixth graders solve for the area and perimeter. In this geometry lesson, 6th graders investigate polygons and use a formula to find the area and perimeter. They find the area and perimeter of various polygons.
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Lesson Plan
Curated OER

The Value of Volume

For Teachers 9th - 11th
Students measure the perimeter and area of their polygons. In this geometry lesson, students calculate the volume and area using the correct tools. They calculate the time and temperature and the perimeter and side lengths of triangles.
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Lesson Plan
Exploratorium

Exploring Tessellations

For Teachers K - 2nd
Kindergarten through second graders explore tessellations. Pupils learn a little bit about the history of tessellations, then get to construct one of their own by using worksheets embedded in the plan. They use two shapes in their...
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Worksheet
Math eBook

Perimeter Worksheet

For Students 7th - 8th
In this perimeter worksheet, students find the perimeter of given regular and irregular polygons. This four-page worksheet contains 20 problems. This interactive worksheet may be completed online or printed for paper use.
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Handout
Curated OER

Math Reference Sheet

For Teachers 1st - 6th
Your young learners will enjoy having quick access to this reference sheet that includes a multiplication chart, formulas for perimeter, area, and volume, place value chart, fraction chart, basic types of polygons, triangles and lines...
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Lesson Plan
Curated OER

Math and Architectural Design in Relation to Rebuilding The World Trade Center

For Teachers 7th - 9th
Students discover building plans and practice reading measurements.  In this architectural design lesson, students investigate the areas of the specific World Trade Center locations that need to be rebuilt and determine the cost....