Interactive
Curated OER

All About Circles

For Students 6th - 8th
In this all about circles instructional activity, students interactively answer 10 multiple choice questions about circles, then click to check their answers.
Worksheet
Curated OER

Quadratic Functions

For Students 10th - 11th
In this algebra activity, students graph quadratic functions and identify the vertex, axis of symmetry, maximum and minimum and intercepts. There are 7 questions.
Lesson Plan
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Cylinder: Student Worksheet

For Teachers 4th - 7th
In this cylinder worksheet, learners compare three different cylinders to experiment which one has the greatest volume. Students interact with rectangles as they experiment with the cylinders.
Worksheet
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Solving Equations with the Variable on Both Sides

For Students 9th
In this solving equations worksheet, 9th graders solve and complete 21 different problems that include solving various equations that contain a variable on both sides of the equal sign. Then, students write an equations and solve it,...
Lesson Plan
Curated OER

NetsS.A. of Prisms

For Teachers 10th - 12th
Students build nets of three-dimensional prisms based on the dimensions they are given for hexagonal prism, triangular prism, rectangular prism. Working in groups, they use their prisms and calculate the Surface Area and Lateral Area.
Worksheet
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Rations and Proportions

For Students 9th - 12th
In this ratios and proportions worksheet, students answer 8 questions in which they are setting up and solving proportions. One problem also consist of several polygons in which students must identify missing information.
Worksheet
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Applications and Writing Functions

For Students Higher Ed
In this college level Pre-Calculus worksheet, students use polynomial and rational functions to solve application word problems.  The three page worksheet contains forty-four problems.  Answers are not included. 
Lesson Plan
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Determining Mercantile Volume of a Pine Tree

For Teachers 4th
Fourth graders, acting as foresters, determine timber volumes as sawtimber or pulpwood for marketing. They find the marketable value of a tree using its diameter and volume.
Lesson Plan
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The Circumference and Diameter of a Circle

For Teachers 9th
Ninth graders investigate the finding of the diameter of a circle in order to extend the practice towards finding the circumference. They differentiate between the distance measured across a circle from that of around the perimeter.
Lesson Plan
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ndirect Measurement Technique: Using Trigonometric Ratios

For Teachers 9th
Ninth graders find the height of an object that would be difficult or impossible to measure directly. They construct and use a Clinometer to measure the angle of elevation (or depression). Students create a sketch of the measurement...
Unit Plan
Illinois Valley Community College

STEM Activities for Middle School Students

For Teachers 6th - 8th Standards
Use STEM activities within the class to provide connections to concepts. The resource includes activities that range from working with buoyancy to building rockets and launching them. Other activities involve the engineering design...
Lesson Plan
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Area Of A Circle

For Teachers 8th - 12th
Students investigate the concept of area and how it can be applied to a circle. They use the right formula in order to solve different problems. The teacher leads the class through different examples and serves as a resource during...
Lesson Plan
Improving Measurement and Geometry in Elementary Schools

The Sum of the Interior Angles of a Polygon

For Teachers 4th - 5th Standards
Junior geometers discover that polygons can be decomposed into triangles and that the number of triangles can be determined by a rule. Note that the Geometer’s Sketchpad® software is required to carry out all components of this...
Worksheet
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Cylinder: Teacher Notes

For Students 6th - 8th
Middle schoolers construct a basic cylinder out of a piece of paper, then answer seven questions about their cylinder. Questions have to do with measurement, volume, radius, etc.
Lesson Plan
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Geometry, Pi, and Ancient Civilizations

For Teachers 8th - 9th
By working together, pairs of learners will complete a Pi webquest. Using the internet, they examine the ways people in the Ancient Civilizations of Egypt, Babylonia and Greece used Pi. To end the lesson, they review the concepts of...
Worksheet
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Pick's Theorem

For Students 6th - 7th
In this Pick's Theorem worksheet, students solve and graph 6 different problems that include using Pick's Theorem to solve. First, they use Pick's Theorem to determine the area of the shapes given as well as their own shapes drawn. Then,...
Lesson Plan
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Goldilocks and the Coordinate Grids

For Teachers 6th - 8th Standards
Where this lesson idea is lacking in materials, it makes up for with creativity! Using "Goldilocks and the Three Bears" as the background, mathematicians plot points on a coordinate grid to create props for the story. The polygons all...
Lesson Plan
Curated OER

A Special Relationship

For Teachers 6th - 8th
Students discover the relationships of the lengths of the sides of right triangles and right triangles using a series of drawings on dot paper. They investigate and solve problems of standard (customary and metric units) and non-standard...
Lesson Plan
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Calculate It

For Teachers 4th
Fourth graders find the area and perimeters of squares and rectangles using a calculator to check their multiplication. They use the appropriate formulas to find the area and perimeter of the given geometric shapes.
Lesson Plan
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The Chicken Run

For Teachers 4th
Fourth graders work in a group of 4 to make rectangle with a 12m length of string. They discuss its perimeter and how they would calculate its area. Then another group of 4 make another rectangle and estimate if the area would be greater...
Lesson Plan
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Design an Apartment

For Teachers 3rd - 5th
Students are given the task of designing an apartment. In groups, they practice estimating the area and perimeter of different shapes. After designing their space, they apply the same formulas to solving real-world story problems.
Lesson Plan
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The Old Chicken Run Problem

For Teachers 6th
Sixth graders apply problem solving strategies to work with a real life situation in which they need to determine the area. They determine the area of chicken runs that are rectangular in shape when give a partial perimeter.
Lesson Plan
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Areas of triangles, trapezoids, and rhombi

For Teachers 10th - 12th
Students solve geometry problems. In this area and perimeter instructional activity, students use formulas to solve problems from the textbook. 
Lesson Plan
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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...