There are 10 area and circumference worksheets with answer keys. There are two worksheets for each of the following units: Meters, Feet, Centimeters, Inches, and Mixed. The worksheets are the same format with different data.
Each unit worksheet a worksheet with random numbers between 1-12 and a worksheet with random numbers between 11-35. For example, there is a worksheet for finding the area and circumference of a circle with radius between 1 and 12 in. There is a second worksheet with radius between 11 and 35 for a little bit more difficulty.