Lesson Plan
Curated OER

Volume of Cones

For Teachers 9th - 12th
Students identify the volume of cones and pyramids. In this geometry lesson, students derive the formula for cones and pyramids. They calculate the volume of cones and other three dimensional shapes.
Lesson Plan
Curated OER

Volume of Cylinders

For Teachers 7th - 10th
Middle and high schoolers calculate the volume of cylinders. In this geometry lesson, learners differentiate between rectangular prisms and cylinders. They use the correct formula to solve for each solid.
Lesson Plan
Illustrative Mathematics

Irrational Numbers on the Number Line

For Teachers 7th - 9th Standards
There are four irrational numbers that participants need to graph. Pi(π), -(½ x π), and √17 are easy to approximate with common rational numbers. On the other hand, the commentary describing the irrational number 2√2 is not...
Lesson Plan
Curated OER

The Circle's Measure

For Teachers 3rd - 7th
Students explore circumference and diameter. In this math lesson plan, students apply their knowledge of circumference and diameter to solve mathematical riddles. Students apply this knowledge to find circumference and diameter of...
Lesson Plan
Curated OER

Circle Relationships

For Teachers 8th - 10th
Students explore circles.  In this geometry lesson, students explore the relationship between the circumference of a circle, the distance a ball travels, and the number of rotations the ball must make in order to travel a certain...
Worksheet
Curated OER

Quiz: Area of a Circle

For Students 7th - Higher Ed
Geometers test their mastery at finding the area of a circle with 10 basic problems. Circle diagrams show line segments, points, and diameter. Distance of radii are given. They use pi as 3.14 to calculate the area. No answer key is...
Worksheet
Curated OER

Circles and Cylinders

For Students 10th
In this circles and cylinders worksheet, 10th graders solve and complete 22 various types of problems. First, they collect data for a radius and circumference for several different circles and calculate the quantity. Then, students find...
Lesson Plan
Curated OER

"Sir Cumference and the First Round Table" by Cindy Neuschwander

For Teachers 6th - 8th
Students develop an understanding of measurable attributes of circles; develop a formula to determine the circumference of circles. They approximate the value of pi.
Lesson Plan
Curated OER

Properties of Arcs, Lengths and Chords

For Teachers 9th - 11th
Young scholars differentiate between the different properties of arcs, arc lengths, chords, and chord lengths. In this circles lesson, students calculate the arc length of a given circle, and find the measure of the inscribed angles of a...
Lesson Plan
Curated OER

A Classical & Relativistic Trip to a Black Hole

For Teachers 9th - 12th
High schoolers calculate distance, velocity, acceleration and time on their fantasy trip to the black hold. They apply Newton's Laws of Motion and calculate circular motion. They discuss any questions that may arise.
Lesson Plan
Curated OER

The Surface Area of a Cylinder

For Teachers 8th - 10th
Young scholars find the circumference and diameter of several circles and calculate the surface area of cylinders. In this surface area of a cylinder lesson plan, students use rectangles and lids to make several cylinders. They calculate...
Worksheet
Curated OER

Trig and sine and cosine

For Students 11th - 12th
In this trigonometric worksheet, students sketch given curves and calculate the area of the curve. They find the volume of solids. There are 3 questions.
Unit Plan
Curated OER

Geometry In Space

For Teachers 9th - 11th
Students Fulfill the requirements of Texas Standards as it relates to math and science. In this circle lesson, students identify the arcs and angles of a circle as it relates to Pi. They solve real life scenarios using space as an example.
Lesson Plan
Curated OER

Learning About Volume

For Teachers 7th - 10th
Learners explore the concept of volume. They develop formulas for volume of prisms. Then use their formulas to find missing dimensions of various prisms such as height, length, width, radius, and diameter.
Assessment
Inside Mathematics

Rugs

For Teachers 8th Standards
The class braids irrational numbers, Pythagoras, and perimeter together. The mini-assessment requires scholars to use irrational numbers and the Pythagorean Theorem to find perimeters of rugs. The rugs are rectangular, triangular,...
Lesson Plan
Curated OER

Circles

For Teachers 5th - 6th
In this math worksheet, students solve 14 problems in which they calculate the diameter, radius, circumference and area of circles. There are no examples or formulas provided on this page; prior knowledge is assumed.
Lesson Plan
Curated OER

Ara of Circles

For Teachers 8th - 10th
Young scholars identify the differentiate the different properties of circles and parallelograms. In this geometry lesson, students calculate the area of each solid and identify the formula. They relate Pi to the circumference of a circle.
Lesson Plan
Curated OER

A Cylinder Workshop

For Teachers 7th - 10th
Students work with given formulas to solve for specific variables. The calculation of the volume of a cylinder and the change in volume when there is a constant surface area is analyzed in this lesson.
Lesson Plan
Curated OER

Surface Area of Spheres

For Teachers 9th - 12th
High schoolers identify the properties of a sphere. In this geometry lesson, students calculate the surface area of spheres using the formula derived by nets. They identify the radius and diameter of the sphere.
Lesson Plan
Curated OER

Surface Area of Cones

For Teachers 9th - 12th
Students find the surface area of cones. In this geometry lesson, students calculate the dimensions of each three-dimensional shape and use the correct formula to solve the problem. They relate concepts of cones to the real world.
Lesson Plan
Curated OER

Radius, Diameter and Area

For Teachers 8th - 9th
Students identify the radius and diameter of a circle. In this geometry lesson, students calculate the volume and area of a cylinder and circle. They relate the circumference of a circle to Pi.
Lesson Plan
Curated OER

Crop Circles

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

Rational, Irrational and Square Roots

For Teachers 7th
Seventh graders identify rational and irrational numbers and then, estimate the square root of numbers that are not perfect squares. They then identify what the radical is and differentiate between that and a division symbol clearly....
Worksheet
Curated OER

Unit 7: Mensuration Mental Tests

For Students 6th - 8th
For this mental math worksheet, students calculate area, volume, perimeter, and convert units in two mental math tests of ten problems each.