Utah Education Network (UEN)
Geometric Figures and Scale Drawings
Scale up your lessons on geometry and ask learners to investigate conditions on triangles, scale drawings, the area and circumference of circles, and angle relationships. The resource includes activities and a homework assignment.
Flipped Math
Unit 9 Review: Area of Polygons
It's time to show what you know! Individuals first review finding the area of polygons using the formulas from parallelograms to regular polygons. They then brush up on finding the area and circumference of circles, as well as reviewing...
Radford University
Catch Me If You Can!
Crime doesn't pay, but everyone can learn from it. Learners consider different situations involving mischief at a school, such as stink bombs and rockets, and analyze them using mathematics. They must apply trigonometry, quadratic...
Curated OER
Circle Area, Perimeter and Circumference
In this geometry skills worksheet, students respond to 7 questions that require them to find the area, perimeter, and circumference of circles.
Curated OER
Calculate Circumference
In this circumference worksheet, students calculate circumference of circle, answering in terms of pi. An answer key is given.
Curated OER
Circle Problems - Radius, Diameter, Circumference and Area
In this online math activity, 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...
Inside Mathematics
Squares and Circles
It's all about lines when going around. Pupils graph the relationship between the length of a side of a square and its perimeter. Class members explain the origin in context of the side length and perimeter. They compare the graph to the...
Curated OER
Pumpkin Predictions
It's time for Halloween and math! Perfect for Fall, this simple worksheet provides a grid for young mathematicians to record their predictions about a pumpkin's height, stem length, diameter, circumference, and weight. After learners...
Houghton Mifflin Harcourt
Developing Formulas for Circles and Regular Polygons
Formulas and procedures for finding the area and circumference are not provided on this handout, so it will be best used as a practice of already-acquired skills. It is a well-rounded assignment, however, as it includes diagrams,...
Curated OER
Circle Area, Perimeter and Circumference
In this area, perimeter, and circumference worksheet, students 7 questions that require them to fill in 7 blank circles with the information they are provided and calculate the desired answers.
Curated OER
Circles Area Perimeter and Circumference
In this circles worksheet, students calculate to find the area, radius, circumference and perimeter of circles. A reference web site is given for additional activities.
Curated OER
Circles: Finding Circumference
In this circles activity, students find the circumference of 20 circles. Students find the circumference given the radius, diameter, and area of various circles.
Curated OER
Circumference and Area
In this circumference and area activity, 6th graders find the circumference and area of circles when the diameter is given. Students complete 9 problems.
Curated OER
Circumference and Area
In this circumference and area worksheet, students find each for a set of 9 circles. A website reference for additional activities is given.
Curated OER
Circumference of a Circle
In this circumference of a circle worksheet, 10th graders solve 10 different problems that include various illustrations of circles. First, they multiply pi by the given diameter of the circle. Then, students determine the radius by...
Curated OER
All About Circles Post Test
For this geometry worksheet, students answer ten multiple choice facts about circles. The questions include finding the diameter, area, and radius of a circle.
Curated OER
Equation of a Circle
Students write the equation of a circle. In this geometry lesson, students check the solution of a coordinate pair by evaluating them. They graph the circle given the equation and radius.
Curated OER
Circles in Circles
In this circle instructional activity, students use a diagram of 4 concentric circles to complete a set of 4 questions. A reference web site is given for additional activities.
Curated OER
Blank Circles
In this circles learning exercise, students complete the radius, diameter, and circumference for each circle with one answer given to them. Students complete 4 problems.
Concord Consortium
Bicycle Chain
Model a bicycle chain with circles and tangent lines. Given the dimensions of the sprocket wheels, young scholars calculate the length of the chain that surrounds them. A second task has learners write a function for the length of a...
Pie Council
National π Day
Learners can enjoy pi with pie! A collection of short activities celebrates pi day with a word search, a maze, and real-world problemsn. Using pi in formulas for area, circumference, and volume as well as exploring simple fractions is...
Curated OER
Leveled Problem Solving Circumference of a Circle
In this geometry worksheet, 6th graders solve 6 word problems in which they find the circumference of items that are circles. They find the circumference of items such as a basketball hoop, a cereal bowl, and a circular frame.
Curated OER
Finding the Circumference and Area of a Circle
Sixth graders discover what circumference is. In this measurement lesson, 6th graders identify the radius and diameter of different circles. Students discover how to find the area of a circle using the radius and diameter.
Curated OER
Ten Multiple-Choice Circle Problems
In this circle worksheet, learners 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 the bottom of the page.