Interactive
Curated OER

Circle Problems - Radius, Diameter, Circumference and Area

For Students 9th - 12th
In this online math worksheet, students determine the radius, circumference, diameter and area of circles. This excellent resource allows the students to check their answers, and to get "hints" should they run into difficulties. A...
Interactive
Curated OER

Circumference of Circle Worksheets

For Students 6th - 12th
In this online math learning exercise, students determine the circumference of a variety of circles given their diameter. This excellent resource allows the students to check their answers, and to get "hints" should they run into...
Interactive
Curated OER

Ten Multiple-Choice Circle Problems

For Students 9th - 10th
In this circle instructional activity, students solve ten multiple-choice questions concerned with the area, radius, diameter, and circumference of a circle.  The solutions are provided by clicking on the "show answers" button on...
Interactive
Curated OER

All About Circles

For Students 6th - 8th
In this all about circles worksheet, middle schoolers interactively answer 10 multiple choice questions about circles, then click to check their answers.
Interactive
Curated OER

Circles

For Students 10th
In this geometry activity, 10th graders determine the circumference and area of a circle given either the diameter or the radius. The one page interactive activity contains ten questions. Answers and hints are included. 
Interactive
Curated OER

My Test Book: Area and Perimeter

For Students 5th - 8th
In this online interactive math skills worksheet, learners solve 10 multiple choice math problems regarding area, perimeter, and circumference. Students may submit their answers to be scored.
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.
Interactive
Curated OER

Using Proper Tools to Solve Problems I

For Students 5th - 7th
In this tools for problem solving worksheet, students complete a set of 10 multiple choice questions. Worksheet is labeled as a "post test." Answer link provided.
Interactive
Curated OER

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

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

Have You Got the Angle?: Pre Test

For Students 4th - 8th
In this angles worksheet, students complete multiple choice questions about the shape and number of angles. Students complete 10 questions total.
Interactive
Other

Circles/circumference Interactive Learning Sites for Education

For Students 6th - 8th
Includes record sheets and interactive media exploring circles and circumference from general parts of the circle to the relationship of the circle parts.
Interactive
Calculator Soup

Calculator Soup: Circle Calculator

For Students 9th - 10th Standards
Use this circle calculator to find the area, circumference, radius, or diameter of a circle. Given any one variable A, C, r or d of a circle you can calculate the other three unknowns.
Interactive
Government of Alberta

Learn Alberta: Exploring the Diameter and Circumference

For Students 9th - 10th
This multimedia site offers a beginner's guide to understanding the relationship between the diameter and circumference of a circle. This Learn Alberta site offers a video [1:44], interactive exercises and printable extended exercises.