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Various worksheets on TONS of math topics you can generate for free!
Basic operations worksheet generator is updated! Make worksheets for whole numbers or integers - all four operations, including add & subtract or multiply & divide - horizontal or vertical - add a border and/or extra workspace, use a variable, and more.
Advice, reviews, and resources to help you choose a math curriculum!
Online math games, tutorials, and activities
Games you can play online, interactive tutorials, fun math websites and more. Arranged by topic/level for ease of use.
Learn how to TEACH concepts or about general concerns in math education.
In-depth reviews of math products
Math help & tutoring
A list of free message boards, math help websites, and online tutoring services.
Fun and games
I have two games on my site, plus links to many.
Game: Choose Math Operation
Word guess game (easy hangman)
Word guess game (difficult)
You are here: Home → Worksheets → Circle
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.
Some quick links:
Radius/diameter practice: calculate radius when diameter is given or vice versa