# Circumference of a Circle Worksheets

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Show your smarts by solving our free worksheets on the circumference of a circle and calculating the distance around a circle. Our pdf exercises help master finding the circumference in terms of pi as well as by using the decimal value 3.14 for pi. The radius or diameter of circles is expressed in customary as well as metric units. Also assess your skills with the printable revision worksheets that feature a mix of circles with diameters and radii. Find the radius or diameter from circumference as you level up!

Our printable circumference of circles worksheets are ideal for students in grade 6, grade 7, and grade 8.

CCSS: 7.G

Finding Circumference in Terms of Pi Using Radius

Recall the formula for the circumference of a circle, C = 2πr where r is the radius of the circle, to solve a beginners' pdf worksheet on finding circumference in terms of π.

Finding Circumference Using Radius | Worksheet #1

Forge ahead by calculating the circumference of circles using their radii! Use π ≈ 3.14, substitute the radius, find the circumference, and round it to the nearest tenth.

Finding Circumference Using Radius | Worksheet #2

A circle has a radius of 3 units. What is its circumference? Yes, it's approximately 18.8 units. Solve all the problems in this printable to bone up on the formula and steps!

Finding Circumference in Terms of Pi Using Diameter

What's the relation between a radius and diameter? Explore this as you determine the circumference of circles in terms of π using diameter in this free worksheet!

Finding Circumference Using Diameter | Worksheet #1

Apply the formula C = πd, where C is the circumference of a circle and d is the diameter, to work out the problems here. Using π ≈ 3.14 is the key.

Finding Circumference Using Diameter | Worksheet #2

Study the circles depicted with their diameters(d) and multiply the d < 100 units by 3.14 to obtain the circumference. Do round your answer to the nearest tenth.

Finding Circumference | Mixed Review - Worksheet #1

Have 6th grade and 7th grade learners revising the topic with this circumference of a circle worksheet, where the circles are featured with either the diameter or radius.

Finding Circumference | Mixed Review - Worksheet #2

Tried measuring your hula hoop? Complete this free review worksheet with integers < 20 units as radius or diameter, and find the circumference of any circular object easily.

Finding Radius from Circumference Worksheets

How do you find the radius(r) of a circle using circumference(C)? Remember r = C/2π is the formula for such problems. Plug-in the circumference and solve for the radius.

Finding Diameter from Circumference Worksheets

Progress to the next level with these pdf worksheets, where 6th grade, 7th grade, and 8th grade students determine the diameter using the circumference of circles.