Lesson Plan
Curated OER

Easy as Pi

For Teachers 5th - 6th
Learners describe the importance of structural features that increase surface area in a coral reef habitat.  In this investigative lesson plan students quantify the impact of modifications on surface area in model habitats. 
Lesson Plan
Curated OER

Unit Circle Triangle

For Teachers 11th - 12th
Students find the different ratios of a right triangle. For this geometry lesson, students apply the concept of the Pythagorean theorem as they identify the different angles and parts of a Unit Circle. They find the ratios of sine,...
Worksheet
Curated OER

Writing Equations of Circles

For Students 10th - 12th
In this writing equations worksheet, students examine given information and write the equation of a circle in standard form. This four-page worksheet contains 30 problems. Answers are provided on the last page.
Worksheet
Curated OER

Circles

For Students 9th - 10th
In this geometry worksheet, learners solve problems by finding the diameter, radius and chord of a circle. They also solve for the area of the circle. There are 10 questions with an answer key.
Lesson Plan
Curated OER

Real Numbers: Care Homework #8

For Teachers 7th - 8th
In this real numbers worksheet, students perform the given operation with decimals, whole numbers, and fractions. They find the area and perimeter of circles. Students determine the volume of cylinders. This three-page worksheet contains...
Lesson Plan
Curated OER

Volume of Spheres

For Teachers 9th - 12th
Students find the volume of spheres. In this geometry lesson plan, students measure and derive the formula for each shape and solid. They use the correct terminology and units when solving these problems.
Lesson Plan
Curated OER

Russian Dolls Investigation

For Teachers 2nd - 5th
Students measure a set of Russian dolls using the metric system. In this measurement lesson plan, students identify certain relationships between sets of measurements by measuring a set of Russian dolls and presenting their findings to...
Interactive
Curated OER

Using Proper Tools to Solve Problems-Pre Test

For Students 4th - 6th
In this using proper tools worksheet, students answer a set of 10 multiple choice questions. Students may click on a link to see answers and may print worksheet out.
Lesson Plan
Curated OER

Consistent Circles

For Teachers 8th - 12th
Students create a design of a circle. In this geometry lesson, students identify the measure of the diameter and radius of a circle. They graph and analyze their collected data and write equations based on direct variation.
Lesson Plan
Curated OER

The Surface Area of a Cylinder

For Teachers 5th - 6th
Students measure the circumference of a cylinder. In this cylinder lesson plan, students use round container lids and flexible rectangles to measure the circumference of the cylinder. They put the shapes together to make their own...
Worksheet
Curated OER

Twelve Facts About e

For Students 11th - Higher Ed
In this e worksheet, students are presented with several facts about e and Euler.  Students are also given a technique to help them remember the numerical approximation for e.
Worksheet
Curated OER

Leveled Problem Solving Surface Area of Cylinders

For Students 6th
In this surface area worksheet, 6th graders solve 6 word problems in which they find the surface area of cylinders. They use 3.14 for pi when calculating the area.
Worksheet
Curated OER

Math 155 - Worksheet 8. Rate

For Students Higher Ed
For this rate worksheet, students read short word problems, and write equations to solve the problem. Equations include distance problems and rate of travel.
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

Around We Go

For Teachers 4th
Fourth graders investigate a range of circles, each with a different radius, diameter and circumference and assemble this information in their search for relationships.The measurement of circles and the relationships to be found within...
Lesson Plan
Curated OER

Using Circumference

For Teachers 9th - 10th
Learners participate in a lesson that covers the concept of finding the circumference of a circle. The teacher covers relevant vocabulary with the students. They work in groups to measure objects and calculate the formula to find the...
Lesson Plan
Curated OER

Fun Ideas for Getting A-Round in Math CIRCLES

For Teachers 6th - 8th
Students see circles in real life and have fun with them
Lesson Plan
Curated OER

Intro to Circles

For Teachers 7th
Seventh graders participate in an investigation into the concept of a circle. Finding the definition of a circle and how they are used in the real world is discussed. Then students write their own real world examples of circles.
Worksheet
Curated OER

Math Practice: Circles

For Students 4th - 6th
In this circle worksheet, students solve 8 problems: finding percentage increase, finding differences in area and perimeter, finding circumference and area.
Lesson Plan
Curated OER

Lesson from the web

For Teachers 7th - 8th
Students measure the circumference of an object to the nearest millimeter. They also measure the diameter. The relationship of the two measurements is taught and how the value of pi came into existence.
Worksheet
Curated OER

Circles in Circles

For Students 4th - 5th
In this circle worksheet, students use a diagram of 4 concentric circles to complete a set of 4 questions. A reference web site is given for additional activities.
Worksheet
Curated OER

Using the Proper Tools to Solve Problems

For Students 7th - 8th
For this word problem worksheet, students complete ten multiple choice word problems by choosing the correct mathematical operation. This is an interactive worksheet.
Interactive
Curated OER

Math on the Ragbrai-Using the Proper Tools to Solve Problems

For Students 4th - 6th
In this problem solving tools worksheet, students complete a set of 10 multiple choice questions. Worksheet is labeled as a "pre test." 
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.