Break up your boring math lessons with these fun activities! From videos and class games to digital escape rooms and PI-themed tasks, we’ve got the perfect tasks for you to add to your circumference unit. Help your students visualize circumference measurements and teach them how to convert circumference to diameter. Some activities offer tasty snack options students are sure to enjoy making, whilst others use the human body to learn about math topics, and build healthy habits to fight the side effects of obesity-related conditions.

**1. Pizza Circumference**

Make circumference relatable for your students with a short introductory video. This digital resource explains the ratio of circumference to diameter and area using pizza! The easy-to-follow video breaks down how to find the circumference of circles and determine how to get the most pizza possible!

Learn more: Kyle Pearce

**2. Discovering PI**

Grab a range of cylindrical objects from around the house or classroom. Students measure the circumference and diameter of each object using a string and a ruler. Then, have them figure out the ratio between the two. Compare the ratios to discover how close they are to PI!

Learn more: Make Sense of Math

**3. Circumference Formula Chart**

Display the formula for circumference by using this anchor chart. Use catchy rhymes and bright colors to help students remember the formulas and visualize the relationship between circumference, diameter, and radius.

Learn more: Amy Grant

**4. Digital Escape Room**

Class review games are the perfect way to end your circumference unit. Digital escape rooms are great for distance learning situations. Have your students work together to solve the math puzzles and make their way through the escape room. Small groups of students can compete to complete the game the fastest!

Learn more: The Great Classroom Escape

**5. Circles Worksheets**

For some students, repetitive exercises are the best way to learn the circumference of circles. Choose from a range of difficulty levels to suit your students’ academic levels. Reinforce the relationship between circumference, diameter, area, and radius with each problem set.

Learn more: Math Worksheets 4 Kids

**6. Memory Games**

Games are a great way to get kids excited about math! Digital forms allow you to engage with your students while distance learning and provide real-time feedback on how well they understand a concept. In this simple game, students memorize and match the circumference to the picture of a circle.

Learn more: Algebra 4 Children

**7. Circumference Mazes**

Have students work in small groups to find their way through the maze! Whether you choose paper or digital maze games, your students will enjoy working together to solve the circumference of circles to beat their classmates to the finish line.

Learn more: Teachers Pay Teachers

**8. Comparing Circles**

Visualize the ratio of circumferences with circles of different sizes. Have students measure the radius and diameter of each circle. Then, using the formula for circumference, they can fill in their worksheets.

Learn more: Middle School Math Rules

**9. Bubble Circumferences**

Who doesn’t love bubbles? Pair your students up at a bubble station. Blow a bubble into the solution and quickly measure the diameter of the ring when it pops. Or have them measure circumference over time as their partner creates the biggest bubble possible!

Learn more: Classroom Freebies Too

**10. Graphing Circles**

Practice graphing circles with this art activity! Ask students to create a picture using at least 4 circles. Afterward, have them write the equations for the circumference of the circles. Then, let their friends try to recreate the picture.

Learn more: Secondary Classroom

**11. Paper Plate Study Guides**

Use paper plates to create simple and easy memory aids. Students can copy the formulas for circumference, diameter, and radius onto the plate. Or, they can solve the equations and write the answers instead.

Learn more: The Reading Buddies

## 12. Body Circumference

Use circumference to teach students about the association between obesity and healthy habits. As they measure their circumferences, discuss the risk factors for obesity, what it means to be a healthy weight, and how they can do more physical activity each day.

Learn more: Printablee

**13. PI Day Selfies**

Make this PI day a memorable one with this no-prep activity. Give your students a copy of the worksheet and let them create the perfect selfie! Other activities include listing the most digits of PI and reflecting on the day’s activities.

Learn more: Kelly McCown

**14. PI Day Circles**

Color along as you solve the math equations. Each square gives students a story problem to solve. Once they have the correct answer, they color the corresponding space to create a kaleidoscope of colors to show their friends and family.

Learn more: Pinterest