How To Write Out 1220 On A Check . First, write the amount in numeric form in the dollar box, located on the right side of your check next to the dollar sign (“$”). The party that receives the check. How to Write a Check A StepbyStep Explanation from banking.about.com Notice the decimal point that separates dollars and cents; Write your original legal full name next to the “pay to the order of” line or just write the word “cash” to cash the check. For start let's work with an even amount, without cents.