Shark Learning
Log In
Grade 6/Geometry

Circumference

Calculate the circumference using C = π × d (π ≈ 3.14).
6
Sheets
2017
Views
459
Downloads
Study Guide
WorksheetsTeacher InfoLearning Path

Preview

Circumference preview

Tap to open PDF

#WorksheetQuestionsActions
Easy
1
8 questions
2
8 questions
Medium
1
8 questions
2
8 questions
Hard
1
8 questions
2
8 questions
Prerequisites
Radius & Diameter8 WS
The radius is 2 cm. What is the diameter?
2 cm
What to Do Next
Identifying Coordinates6 WS
What is the name of this shape?
1122334455667788991010

Practice Questions

  1. The diameter is 2 mm. Find the circumference. Use pi = 3.14.
    Show answer

    6.28 mm

  2. The diameter is 11 mm. Find the circumference. Use pi = 3.14.
    Show answer

    34.54 mm

  3. The diameter is 8 mm. Find the circumference. Use pi = 3.14.
    Show answer

    25.12 mm

  4. The diameter is 12 in. Find the circumference. Use pi = 3.14.
    Show answer

    37.68 in

  5. The diameter is 15 in. Find the circumference. Use pi = 3.14.
    Show answer

    47.1 in

Quick Tip
Circumference = π × diameter. Use 3.14 for π.
Teacher Resources
Teaching Notes

This collection focuses on circumference. Use grid paper to help students visualize area and perimeter.

Vocabulary
Circumference: The distance around a circle.
Diameter: A line through the center of a circle.
Common Mistakes
  • Confusing Area and Perimeter formulas
  • Forgetting to double the sides for Perimeter
  • Using wrong units (e.g., cm instead of sq cm for Area)
  • Using radius instead of diameter.
  • Forgetting units in the answer.
  • Rounding errors for pi.
  • Basic multiplication errors.
Differentiation
SupportHave students trace shapes on grid paper and count squares.
ChallengeChallenge students to find multiple rectangles with the same area but different perimeters.
Discussion Questions
  • What is the difference between Area and Perimeter?
  • Can two rectangles have the same perimeter but different areas?
  • Why do we use 'square' units for area?
  • What is circumference? How is it measured?
  • How does diameter affect circumference size?
  • Where do you see circumference in daily life?
  • Why is π important for circles?
Extension Activities
  • Measure the classroom floor area.
  • Design a garden with a specific perimeter.
  • Create art using only rectangles of specific areas.
Parent Tip

Help your child measure around round objects at home.

Learning Path
Skill Cluster

Geometry and Measurement

Estimated Time

20 minutes

Skills Practiced
Circumference