Lesson Plan
Curated OER

Finding the Basal Area of a Forest Plot to Determine Stocking Levels

For Teachers 9th - 12th
Young scholars use graphs and plots to measure the basal area and stocking levels.  In this graphing instructional activity students work in the field the use their data to help them complete a lab activity. 
Worksheet
Curated OER

Circles: Circumference and Area

For Students 8th - 11th
For this circle worksheet, students calculate the circumference and area of given circles. They determine the perimeter of a shaded area, and give explanations to support problems. This two-page worksheet contains 3 multi-step problems.
Worksheet
Curated OER

11.4 Practice B: Circumference and Arc Length

For Students 9th - 12th
In this circumference and arc length worksheet, students determine the circumference, radius, and arc length of circles. They find the area of a shaded region within a circle. Students determine the probability that a randomly chosen...
Lesson Plan
Curated OER

Volume Of A Prism

For Teachers 8th
Eighth graders investigate the concept of a prism and finding the volume. They begin the inquiry by attempting to find the surface area in order to begin the inquiry. Students are expected to apply memory for the mathematical formulas in...
Lesson Plan
Curated OER

Match The Graph Circles

For Teachers 9th - 12th Standards
High Schoolers engage in a study of circles and graphs that are related with the focus upon finding the center and radius. The lesson includes the suggestion of giving homework using circle problems before this one to create background...
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
Curated OER

Area of Solids

For Teachers 7th - 12th
Students find the area of rectangular solids and cylinders by cutting them into flat pieces and adding the areas.
Worksheet
Curated OER

Inequalities

For Students 10th
In this inequalities learning exercise, 10th graders solve and complete 23 various types of problems. First, they find the area of an inscribed square in a circle shown. Then, students find the total area of the inscribed polygon and...
Lesson Plan
Curated OER

Area and Perimeter of Polygons

For Teachers 10th
In this geometry worksheet, 10th graders calculate the perimeter and area using the specific formula for that polygon. There are 5 questions with an answer key.
Lesson Plan
Curated OER

Time Management: Piece of Pie

For Teachers 6th - 8th
Students examine their own lives and how well they manage their time outside of school. In this this time management lesson, students discover the amount of time they spend on other activities, and create a pie chart with that...
Worksheet
Curated OER

Cross Sections and Collision Times

For Students 9th - 12th
High schoolers solve five problems including finding the cross sectional area of two bodies, determining the swept out volume of a moving body, finding the average particle volume of a body and determining the collision time for a body.
Worksheet
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K12 Reader

Prepositional Phrases II

For Students 3rd - 6th Standards
Hidden within these sentences are prepositions; think your students can find them? After first reading a brief explanation of this part of speech, young grammarians are asked to examine eight sentences,...
Lesson Plan
Curated OER

Evaluating the Products of Chords of a Circle

For Teachers 9th - 12th Standards
Students investigate chords and make predictions. In this geometry lesson, students graph circles and calculate the measurement of each chord. They perform the calculations and make conjectures.
Lesson Plan
Curated OER

Exploring Volume of Cylinders

For Teachers 10th
Tenth graders investigate the volume of a cylinder.  In this geometry lesson, 10th graders create three-dimensional cylinders and use a ruler to determine the dimensions.  The lesson progresses to the use of the formula to find...
Lesson Plan
Curated OER

Area of Composite Figure.

For Teachers 10th
Tenth graders predict the shape of a geometric figure in 3D. In this geometry lesson, 10th graders construct 3D shapes to perfect their knowledge of measuring and predicting. This assignment is also available as an online interactive...
Worksheet
Curated OER

Formulas Homework

For Students 9th - 12th
In this circle formulas worksheet, high schoolers solve 20 fill in the blank problems. Students find the radius, diameter, circumference, area, arc length, and sector area of a circle.
Lesson Plan
Curated OER

The Edge of Home

For Teachers 9th - 12th
Students explain why some species of plants and animals occur in more than one area. They watch as the teacher puts an overlapping circles on the chalkboard, students are asked to predict what kinds of things they would expect to find in...
Worksheet
Curated OER

Circumference of Circle

For Students 4th - 6th
In this circumference worksheet, students find circumference. Radius and diameter are given, as well as an answer key. Workspace is provided.
Lesson Plan
Curated OER

Measurement

For Teachers 7th
Seventh graders measure surface area. In this geometry lesson plan, 7th graders find the surface area of various geometrical shapes. Using a computer program, students compute the area of 2-D and 3-D shapes.  Students...
Lesson Plan
Curated OER

Surface Area with Polydrons

For Teachers 3rd - 4th
Students explore measurements by analyzing geometric shapes. In this surface area lesson, students identify the terms volume, weight, perimeter and area in order to find the requested measurements of specific polygons. Students utilize...
Lesson Plan
Curated OER

ExplorA-Pond:4th Grade Surface Area

For Teachers 4th
Fourth graders estimate the surface area of a pond using the chance method and the estimation method. They complete a graph and a short report comparing the results of the two methods.
Worksheet
Curated OER

Maximum and Minimum Points

For Students 11th - 12th
In this maximum and minimum points worksheet, students solve and complete 12 various types of problems. First, they find the area of the smallest triangle given the point of intersection. Then, students find the volume of a box that has...
Worksheet
Curated OER

MAP Practice

For Students 9th - 11th
In this geometry worksheet, students create circle, line and bar graphs using different comparisons of events. There are 24 questions with an answer key.
Activity
Teach Engineering

Stay in Shape

For Teachers 7th - 9th Standards
Using their knowledge of right triangles, pupils find out how far a ship is from a light house. Class members determine how far around the world a ship would be sailing at a constant speed.