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# Circle Worksheets

 Printable Math Worksheets Make Learning Fun Challenge and engage your child with an online homeschool curriculum that includes standards-based math, language arts & more. It's great for afterschool, too! Printable math worksheets help reinforce what is learned online Parents have access to answer keys, lesson plans and teaching guides Math worksheets cover arithmetic, operations, geometry, algebra and more Learn how to conquer math anxiety using an online math curriculum.

This generator makes worksheets for calculating the radius, diameter, circumference, or area of a circle, when one of those is given (either radius, diameter, circumference, or area is given). You can choose to have metric or customary units, or both. You can choose to include simple circle images in the problem, or not, or randomly have some problems have circle images and some not. You can also make the script use either 3.14 or 3.1416 as a value of Pi in the calculations, and to choose the rounding accuracy for the answers. Please change the different options to see what their effect is.

After you have generated a worksheet, you can just refresh the page from your browser window (or hit F5) to get another worksheet with different problems but using the same options.

All worksheets come with an answer key.  You can print the worksheet directly from your browser, or save it on disk using the "Save as" command of your browser.  If the problems on the worksheet don't fit the page or there is not enough working space, choose a smaller font, less cellpadding, or fewer columns of problems.

Circle Worksheets
Columns:   Rows:
(These determine the number of problems)

Workspace: empty lines

Use metric units (mm, cm, m, km, mm2, cm2, m2, km2)
Use customary units (in, ft, yd, mi, in2, ft2, yd2, mi2)

Use Pi = 3.14 in calculations
Use Pi = 3.1416 in calculations
Use Pi = 3.14159265 in calculations

Round the answer to decimal digits

Use circle images in all problems.
Do not use circle images in any problems.
Use circle images in some problems (randomly).

Choose problem types. Tick at least one box.

The radius is given. Calculate the diameter of the circle.
The circumference is given. Calculate the diameter of the circle.
The area is given. Calculate the diameter of the circle.

The diameter is given. Calculate the radius of the circle.
The circumference is given. Calculate the radius of the circle.
The area is given. Calculate the radius of the circle.

The radius is given. Calculate the circumference of the circle.
The diameter is given. Calculate the circumference of the circle.
The area is given. Calculate the circumference of the circle.

The radius is given. Find the area of the circle.
The diameter is given. Find the area of the circle.
The circumference is given. Find the area of the circle.

#### Math Mammoth Geometry 2

A self-teaching worktext for 6th-7th grade that covers angle relationships, classifying triangles & quadrilaterals, angle sums, similar figures, congruent transformations, area, pi, volume, surface area, constructions, and unit conversions. The book uses a lot of "learn by drawing" exercises.

See more topical Math Mammoth books

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