Lesson Plan
Curated OER

Angles And Triangles

For Teachers 7th
Seventh graders participate in a lesson that is focused upon the concepts of classifying different angles and triangles. They practice classifying triangles according to its kind that includes types of angles, congruence, and vertices....
Worksheet
Curated OER

Math Applications 1

For Students Higher Ed
In this systems of equations worksheet, students solve 5 different word problems that include writing an equations and solving it by applying a system of equations. First, they write an equation that when solved will give the required...
Worksheet
Curated OER

Plane Figures

For Students 4th - 5th
In this plane figure worksheet, students solve a total of 6 riddle problems related to identifying polygons using given information.
Lesson Plan
Curated OER

Acoustical Ceiling

For Teachers 4th - 7th
Students investigate acoustical ceilings.  In this acoustical ceilings lesson, students construct a blueprint for an acoustical ceiling.  Students use area and perimeter of rectangles to construct their blueprint. ...
Worksheet
Curated OER

Find the Area or Missing Length of the Polygon

For Students 7th - 10th
In this area and perimeter worksheet, students find the length or area of seventeen figures.  The figures examined are triangles, trapezoids, parallelograms, rectangles, and hexagons.  Some examples and solutions are...
Lesson Plan
Curated OER

Perimeter and Area of a Rectangle

For Teachers 6th
Sixth graders fill out worksheets to find the perimeter and area of rectangles. In this perimeter and area lesson plan, 6th graders color in the area and measure the perimeters.
Lesson Plan
Curated OER

Stained Glass Polygons

For Teachers 4th - 6th
Students follow directions to make a stained glass window design of regular and irregular polygons with specific geometric elements. In this geometry lesson plan, students also analyze other classmate's designs.
Lesson Plan
Curated OER

Covering Spaces

For Teachers 3rd
Third graders become more familiar with various geometric shapes by completing the games and activities in this instructional activity. They keep track of the number of each shape they use in each of the three ways.
Lesson Plan
Curated OER

Geometry /Tessellations

For Teachers 6th - 8th
Middle schoolers investigate the concept of tessellations and how they are formed using angles. They categorize how different patterns do and not tessellate and separate them into two different places for assessment. The teacher draws...
Lesson Plan
Curated OER

Investigating the properties of a circle

For Teachers 7th - 10th
Students use wax paper to look at different properties of circles such as chords, tangent lines, inscribed angles, and inscribed angles in a semi-circle, as well as finding the center of the circle, and use GSP to investigate cyclic...
Lesson Plan
Curated OER

Mondrian, Math, and Amazing Colors

For Teachers K - 2nd
Students study geometric shapes, lines, and the primary colors as they create Mondrian-like art prints.
Lesson Plan
Curated OER

Unit Perimeters and Areas

For Teachers 9th - 11th
Students use Geometers SketchPad to find the area and perimeter of several shapes. In this geometry lesson, students determine area of rectangles and progress through irregular polygons. None of the referenced worksheets are included...
Worksheet
Curated OER

How are Area and Perimeter of Rectangles Related?

For Students 6th
In this how are area and perimeter of rectangles related learning exercise, 6th graders solve the area or perimeter of a second rectangle by using the information given.
Lesson Plan
Curated OER

Areas of triangles, trapezoids, and rhombi

For Teachers 10th - 12th
Students solve geometry problems. In this area and perimeter lesson, students use formulas to solve problems from the textbook. 
Lesson Plan
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Areeas of Parallelograms and Triangles

For Teachers 12th
Twelfth graders are able to deduce the area of polygons by using several methods such as coordinate method. They are able to apply the area of polygons to real life situations. Students apply the Pythagorean Theorem in problem solving...
Lesson Plan
Curated OER

Pondering Polygons

For Teachers 4th - 6th
In this polygon worksheet, students observe models of polygons. Students must identify the characteristics of polygons such as a rectangle, pentagon, trapezoid, square and rhombus. They determine if the statement naming the polygon is...
Worksheet
Curated OER

Tangrams

For Students 10th
In this tangrams worksheet, 10th graders solve 7 different problems related to designing tangrams. First, they trace each of the figures shown on the sheet. Then, students cut out the pieces and rearrange them to form each figure and...
Worksheet
Curated OER

Polygons

For Students 10th
In this polygons worksheet, 10th graders solve and complete 27 various types of problems. First, they determine how many lines of symmetry a square has and if it is a parallelogram. Then, students find the number of lines of symmetry in...
Worksheet
Curated OER

Area of a Parallelogram

For Students 10th
In this area of a parallelogram worksheet, 10th graders determine the measurement of 10 different parallelograms illustrated. First, they multiply the base of the parallelogram times its height to determine the area. Then, students...
Lesson Plan
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Perimeter

For Teachers 5th
Fifth graders create math word problems. In this geometry lesson, 5th graders define perimeter and discover how to find the perimeter of a rectangle, a square and a regular polygon. Students write word problems on finding the...
Lesson Plan
Curated OER

Area of Parallelograms

For Teachers 7th
Seventh graders review the process of finding the area of a rectangle and complete a couple of examples as a class. They discuss what a parallelogram is and what the formula would be for finding its area. They listen to an explanation...
Lesson Plan
Alabama Learning Exchange

Trapezoids: What's Equal or Right About Them?

For Teachers 8th - 10th Standards
Pupils explore the concept of trapezoids.  In this trapezoids instructional activity, students identify legs and bases of a trapezoid.  Pupils discuss the similarities and differences between isosceles trapezoids and right...
Lesson Plan
Curated OER

Polygons

For Teachers 6th - 8th
Students work together to create mobiles with different polygons. They research the polygon and list its characteristics. They may present to the class if they chose to.
Lesson Plan
Curated OER

Lots of Squares

For Teachers 2nd - 4th
Students work in pairs, to make a square on the geoboards with a rubber band (or draw one on the dot paper). It can be any size and in any location and share their answers with the class.