Lesson Plan
Curated OER

Classifying Polygons

For Teachers 7th
Seventh graders participate in a polygon hunt.  In this polygon lesson, 7th graders examine how polygons are alike and different.  Students create a Venn diagram and label the sorting circles.  Students work in cooperative...
Worksheet
Curated OER

Similar Polygons

For Students 10th
In this similar polygons worksheet, 10th graders solve and complete 20 various types of problems. First, they solve each proportion. Then, students write a ratio expressing the slope of a line through each pair of points. In addition,...
Worksheet
Curated OER

Regents Exam Questions G.G.9: Planes

For Students 9th - 12th
In this planes worksheet, students solve 3 short answer problems. Students determine a true statement given lines perpendicular to a plane.
Worksheet
Curated OER

Polygon Area Review Sheet

For Students 9th - 12th
In this polygon area worksheet, students answer 8 questions involving the area of several polygons. Students are given various details of the polygon and must find lengths of various polygons.
Lesson Plan
Curated OER

Area of Polygons

For Teachers 10th
In this area of polygons worksheet, 10th graders solve and complete 12 various types of problems. First, they find the area of a given square. Then, students find the length of an original square as illustrated. They also write an...
Lesson Plan
Texas Instruments

Points, Lines, and Planes

For Teachers 9th - 12th Standards
Students solve problems dealing with points, lines and planes. In this geometry lesson, students differentiate between parallel lines and planes. They find the intersection of lines and planes.
Lesson Plan
Curated OER

Nets And Surface Area

For Teachers 4th - 6th
Upper graders investigate how to find the surface area when using two-dimensional shapes. They conduct an investigation in groups while working sample problems given during class discussion with the teacher. They also review how to...
Lesson Plan
Curated OER

Polygons All Around Us!

For Teachers 9th - 12th
Students explore the concept of polygon properties. In this polygon properties lesson plan, students draw polygons with different numbers of sides such as pentagons, octagons, hexagons, etc. Students identify different geometric shapes...
Lesson Plan
Curated OER

How Many Regular Polyhedrons Are There In This or Any Universe?

For Teachers 7th - 12th
Students examine the idea of "regularity" as it pertains to geometry.  In this geometry lesson students complete several assignments that are part of trihedral angles and regular polyhedrons.
Lesson Plan
Curated OER

Fashion Day

For Teachers 8th
Eighth graders practice using basic measurements to solve word problems.They also investigate finding the perimeter of different polygons and define the characteristics to classify the shape as a polygon.
Worksheet
Curated OER

Volumes in 3-D

For Students 11th
In this geometry activity, 11th graders calculate the volume of there dimensional shapes using the formula for cylinders. They are given the height and the base and asked to calculate the volume. There are 4 problems.
Lesson Plan
Curated OER

Using 3-D Models for Code Validation with FoilSim

For Teachers 9th - 12th
Learners use FoilSim to complete the activity to create tables of data sets comparing the lift values for a 3-D model of a symmetrical wing section to the values predicted by the FoilSim software.
Lesson Plan
Curated OER

Geometry: Lesson 2

For Teachers 8th
Eighth graders engage in a instructional activity that is concerned with examining two dimensional figures with different properties that include circles, triangles, queadrilaterals, etc... They identify the types of figures that is...
Lesson Plan
Curated OER

Polygons Defined

For Teachers 4th
Fourth graders explore polygons. In this polygon lesson, 4th graders sort polygons according to their properties. Students discover the connection between polygons and the Greek language.
Worksheet
Curated OER

Countdown Challenge: Triangle Inequality Theorem

For Students 7th - 8th
In this triangle inequality instructional activity, students test the Triangle Inequality Theorem. They measure the sides of given triangles, identify the type of triangle, and name angles in the triangle. The one-page instructional...
Lesson Plan
Curated OER

Isosceles Triangle Theorem

For Teachers 8th - 10th
For this geometry worksheet, young scholars differentiate between regular triangles and isosceles triangles. They apply the converse theorem and the vertex angle. There are eleven questions with an answer key.
Lesson Plan
Futures Channel

Folding Circles

For Teachers 7th - 12th Standards
Students investigate properties of circles. In this geometry activity, students differentiate between similarity and congruence as they observe polygons. They investigate properties of two and three dimensional shape.
Interactive
Curated OER

All About Quadrilaterals

For Students 6th - 8th
In this all about quadrilaterals worksheet, students interactively answer 10 multiple choice questions about quadrilaterals, then click to check their answers.
Lesson Plan
Curated OER

Regular Polygons

For Teachers 5th
Fifth graders explore polygons. In this math instructional activity, 5th graders find examples of regular polygons in the classroom and measure the sides of figures to determine if they are regular polygons.
Lesson Plan
Curated OER

Geo-Mat

For Teachers 1st - 3rd
Students review plane figures by playing a game that resembles "Twister." They listen to directions to locate a large example of the figure which is placed on the floor.
Worksheet
Curated OER

Polynominoes

For Students 10th
In this polynominoes worksheet, 10th graders solve 9 different problems relating to various types of polynominoes, such as triominoes and tetrominoes. First, they determine how many different types of triominoes they can locate and draw...
Lesson Plan
Curated OER

Algebra/Geometry Institute: Area of Polygons

For Teachers 6th - 8th
Middle schoolers find the area of polygons.  In this area of polygons activity, students find the area of parallelograms, rectangles, squares, and other polygons.  They identify each given figure and determine the appropriate...
Worksheet
Curated OER

Quadrilaterals and Other Polygons

For Students 5th
For this polygon worksheet, 5th graders name 6 polygons, tell if each one is a regular polygon or not and tell if it is a special quadrilateral.
Worksheet
Curated OER

Tessellations

For Students 10th
In this tessellations learning exercise, 10th graders solve 6 different types of tessellation problems that includes drawing. First, they define polygon, regular polygon, tessellation, regular tessellation, and semi-regular tessellation....