This set of 3rd grade spelling worksheets focuses on the -ow and -ou spelling pattern. These spelling worksheets contain the words cow, bow, how, clown, town, flower, out, mouse, found, proud, count and about. We have five different worksheets so you can do a different one each day of the week. They were all created to be appropriate for 3rd grade spelling level, but can be used for any children that are ready for these exercises. Whether you need worksheets to help kids practice writing, finding missing letter or write sentences with -ow and -ou pattern words, these are the perfect worksheets.