Problems should use the Courier font. Why? Every Courier font character uses the same amount of space. A comma is the same width as the number 5. This means that all of the numbers line up perfectly for carrying during addition and bringing the zero down in division.
Sites offering free math worksheets abound on the Internet. So what should free math worksheets look like? Are you searching for worksheets that have lots of problems for paper_pencil completion? Or is the illusive long division worksheet your quest? Finding the answers to these questions depends largely on personal preferences...and more importantly who will be completing your freely printed math worksheets. Here are 10 criteria to keep in mind when selecting free arithmetic worksheets to use with students.