This product is a perfect match for your calendar work and number of the day fluency practice. It is a sample of my year long product, providing only a September page with one number of the day worksheet.
The complete document with all 12 months can be found in my store. The full product includes 12 month worksheets that build student understanding on dates, days of the week, and number sense. On the back, you can choose from 5 different number of the day worksheets to provide students with a variety of work throughout the month.