Geometry. Find the area and circumference of circles by using geometry formulas. 40 problems total, 2 sets. Each set has 20 problems, 1 student worksheet, 2 teacher answer sheets in color ( with and without background), and 1 teacher answer sheet in ink. Grade 3-10. Use for Halloween, or any time of the year. Prep Free! Independent! Save $$$s when you buy in bundles!===================================================== If you like this lesson, you may also like my other products in these