Lesson Plan
Curated OER

Hexagon Island

For Teachers 9th - 12th
Students identify different polygons. In this geometry lesson, students name polygons using the number of sides. They calculate distance and slopes using the correct formula.
Worksheet
Curated OER

The Dominoes Problem

For Students 7th - 9th
In this dominoes puzzle, learners, using dominoes, create a 4 x 4 square which has equal sums for each of the four sides.  This one-page problem contains 1 problem. 
Worksheet
Curated OER

The Gambling Problem

For Students 8th - 10th
In this gambling worksheet, students determine the amount two people made while gambling in Atlantic City.  They identify and compute a factorial and a number squared.  This one-page problem contains 1 problem.  This...
Worksheet
Curated OER

Polygons and Vertices

For Students 9th - 12th
In this geometry worksheet, students analyze different polygons and relate it to a circuit board. They find the odd degree Euler circuit and identify the vertices of the odd degree. There are 3 questions with an answer key.
Organizer
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Triangle Angle-Sum Theorem

For Students 5th - 8th
In this polygons worksheet, students fill out a graphic organizer about the name of the polygon, the number of sides, the angle sums, and more. Students complete this for 5 polygons.
Worksheet
Curated OER

Square of a Binomial

For Students 9th - 12th
For this squaring the binomial worksheet, students expand the binomial by squaring the expression. There are 2 multiple choice questions.
Worksheet
Curated OER

Nine Quadrilateral Problems Involving Angle Measures and Classification

For Students 9th - 11th
In this quadrilaterals learning exercise, learners calculate the measure of angles in five parallelograms, name a quadrilateral, and find values of given variables in three diagrams.  The solutions are provided.
Worksheet
Curated OER

Describe Five Polygons

For Students 6th - 9th
In this polygons worksheet, students use the parallel, acute, right, obtuse, straight, and reflex to describe the five shapes provided.
Worksheet
Curated OER

Angles, Symmetry, and Quadrilaterals in Four Exercise Sets

For Students 8th - 11th
In this angles worksheet, students calculate the size of angles, draw lines of symmetry, and form quadrilaterals in four exercise sets.  The solutions are provided.
Lesson Plan
Curated OER

Measuring for Perimeter

For Teachers 3rd
Third graders find the perimeter of a polygon. In this measurement lesson, 3rd graders use yardsticks to measure straight-lined objects to the nearest 1/2 inch. Student choose a "mystery object," find the perimeter, and record it on the...
Lesson Plan
Curated OER

Problem Solving Using Power Polygons

For Teachers 3rd - 10th
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...
Worksheet
National Council of Teachers of Mathematics

Perplexing Parallelograms

For Students 9th - 10th
In this geometry worksheet, young mathematicians divide a parallelogram into four, by choosing points along a diagonal.  Students calculate the area of each parallelogram and look for any patterns that may emerge.  The one-page...
Interactive
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Find the Radius of the Smallest Circle that Contains the Figure

For Students 9th - 10th
In this geometry worksheet, learners calculate the radius of the smallest possible circle that contains the figure provided.  The complete solution is provided by clicking on the "show solution" button found below the problem.
Worksheet
Curated OER

Math Club Worksheet #2e

For Students 3rd - 5th
In this geometry worksheet, students practice solving 1 warm up equation involving the missing side of a rectangle. Students find the area of a given rectangle.
Worksheet
Curated OER

Math Worksheet: Area (3)

For Students 9th - 12th
In this area worksheet, students find the area of one irregular polygon.  Students find the area by dividing the irregular polygon into multiple regular polygons.
Worksheet
Curated OER

Area and Perimeter

For Students 10th
In this geometry worksheet, 10th graders use single variable equations to solve problems focusing on area and perimeter of triangles, trapezoids, parallelograms, rectangles, and hexagons.  The one page worksheet contains seventeen...
Worksheet
Curated OER

Patintero

For Students 2nd - 6th
In this Patinero activity, students play a game called Patinero where they try to run and tag others in lines in a square. Students play 1 game.
Worksheet
Curated OER

L-shaped Perimeters

For Students 6th - 8th
In this perimeter worksheet, students calculate the perimeter of L-shaped figures by subtracting to find missing side lengths.  There are 6 questions.
Worksheet
Curated OER

Math Club Warm Up #17b

For Students 6th
In this area learning exercise, 6th graders solve 2 problems about area, one with a square and one with a triangle; there are 4 sheets on a page.
Lesson Plan
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Perimeter and Circumference

For Teachers 5th - 8th
Learners consider perimeter and circumference. In this lesson plan on perimeter, students will determine relationships between perimeter and circumference using real life examples.
Worksheet
Curated OER

Find the Area or Missing Length of the Polygon

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

The Pascal Problem

For Students 7th - 12th
For this Pascal worksheet, students begin at the center of a rhombus to identify the number of ways the word "Pascal" may be found.  This one-page worksheet contains 1 puzzle.  The answer is provided at the bottom of the page.
Worksheet
Curated OER

Don't Fence Me In: Prisms

For Students 9th - 12th
In this prism worksheet students explore the best way to divide a rectangular region into four areas using parallel lines.  This one-page worksheet contains 1 problem.  The answer is provided.
Worksheet
Curated OER

Perimeter of Squares Worksheet

For Students 6th - 8th
In this perimeter of squares worksheet, students find the perimeter of given shapes.  This one-page worksheet contains 6 problems.  Answers are provided on the last page.