Worksheet
Curated OER

Volume and Surface Area

For Students 10th - Higher Ed
In this volume and surface area worksheet, learners find the volume in each of the ten problems listed and write their measurements in terms of the larger amount. They find the volume of a sphere, a rectangular solid, and a cylinder....
Lesson Plan
Curated OER

Geometry: Area Project

For Teachers 6th
Sixth graders identify and use area formulas for finding the area of geometric shapes.
Lesson Plan
Curated OER

Discovering the Journal of Augustus Pelletier

For Teachers 5th - 6th
Students explore journals. In this Discovering the Journal of Augustus Pelletier lesson, students read the historical fiction book and conduct research activities to validate events in the plot that reflect the Lewis and Clark...
Lesson Plan
Curated OER

Who Let the Dogs Out?

For Teachers 8th - 10th
Students calculate the perimeter and area of polygons. In this geometry instructional activity, students apply formulas of perimeter to solve geometric problems. They calculate the area of a dog fence and create ways to keep the dog in...
Worksheet
Curated OER

All About Circles Post Test

For Students 7th - 9th
In this geometry instructional activity, students answer ten multiple choice facts about circles. The questions include finding the diameter, area, and radius of a circle.
Lesson Plan
Polar Bears International

Top of the World

For Teachers 4th - 8th
Learn about polar bears and the Arctic circle with a lesson about the countries and conditions of the region. After examining how the area differs from Antarctica, kids explore climates, animals, and geographical position...
Assessment
1
1
Balanced Assessment

Egyptian Statue

For Students 9th - 12th Standards
Investigate the proportional relationships of length, area, and volume. Learners use the dimensions of rectangular prisms to create ratios and proportions. They compare the different ratios to solve more advanced problems.
Assessment
Concord Consortium

Maximum Volumes

For Students 9th - 12th Standards
It's great to have a large swimming pool. An interesting performance task asks learners to optimize the volume of pools for a given surface area. They consider four different shapes for pools and find the maximum volume for each pool.
Lesson Plan
Curated OER

Crop Circles

For Teachers 5th - 8th
Students calculate the area and circumference of a circle. In this geometry instructional activity, students solve word problems with circles and create formulas to calculate the area. They find the rate and complex area of a circle.
Worksheet
Curated OER

Finding Area of Sector

For Students 5th - 6th
In this area of sector worksheet, students solve a total of 6 problems, finding area of sector using radius and length of arc. An answer key is provided.
Lesson Plan
Curated OER

Inscribing a Circle in a Triangle

For Teachers 9th - 12th Standards
Pupils investigate inscribing a circle in a triangle. They use Cabri Jr. to draw a triangle, locate the incenter, and use the distance from the incenter to a side of the triangle to inscribe a circle. The dynamic nature of the geometry...
Lesson Plan
Curated OER

Geometry and Geoboard

For Teachers 6th
Sixth graders use geoboards and dot paper to experiment with geometric concepts. In this geometry lesson, 6th graders complete four activities using geoboards or dot paper including naming points on a coordinate plan and finding the area...
Worksheet
Curated OER

Kepler-The Hunt for Earth-like Planets

For Students 9th - 11th
In this hunt for planets worksheet, students read about the Kepler satellite used to detect exoplanets. Students solve 6 problems including drawing a sun disk and determining the scale in kilometers/millimeter, finding the area of the...
Lesson Plan
Curated OER

Towers of Steel

For Teachers 9th - 11th Standards
This lesson starts with geometers discussing how to find the volume of a cone and pyramid, using what they know about the volume of a cylinder or prism. Then, using the formulas, they calculate the volume of cones and...
Lesson Plan
Curated OER

Connecting Area Formulas Produces a Beautiful Formula

For Teachers 11th - Higher Ed
In this math worksheet, young scholars find the area of the triangle using the formula of 1/2 bh. Then they find the area using an alternative method.
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

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. 
Lesson Plan
Curated OER

Bubble Mania

For Teachers K - 5th
Elementary schoolers practice measuring a soap bubble print. They follow a recipe to make a soap bubble solution. Pupils use the soapy solution to blow large bubbles with a plastic drinking straw until they pop leaving behind a circular...
Lesson Plan
Curated OER

Discovering Pi

For Teachers 9th - 11th
Define terminology related to a circle. Practice accuracy in measuring and then create a spreadsheet based on data collected from solving for parts of a circle. Groups can have fun analyzing their data as it relates to Pi.
Lesson Plan
Curated OER

Geometry and Measurement

For Teachers K - 5th Standards
Young geometers explore relationships between units of measure and objects. Three activities provide varied opportunities to practice. Learners calculate the volume of two cylinders made by rolling a piece of paper vertically and...
Worksheet
Curated OER

Geometric Word Problems

For Students 10th
In this geometric figures worksheet, 10th graders solve and complete 11 different word problems. First, they find the area of a regular octagon with a given side. Then, students find the area of each shaded region. They also find the...
Lesson Plan
Curated OER

Approximation of Pi

For Teachers 9th - 12th
High schoolers explore the concept of Pi.  For this Pi lesson, students measure the circumference and diameter of a circle.  High schoolers record the diameter and circumference measurements from their classmates. ...
Worksheet
Curated OER

Estimating Pi as a Length

For Students Higher Ed
In this pi worksheet, students evaluate the curve of a quarter of a circle. They analyze the length of the curve, and explain that if the area under the curve is equal to pi, the length of the curve above is also equal to pi. Students...
Lesson Plan
Curated OER

What a Square

For Teachers 3rd - 8th
Students examine the painting "Old Man With A Gold Chain" by Rembrandt. They identify geometric shapes in the painting, measure these shapes and compare the relationships of these measurements.