How To Write Check For 15000 . It can even help to answer a worksheet of cardinal and ordinal. Fifteen thousand is the cardinal number word of 15000 which denotes a quantity. 10,000 to name one prolife Justice American Right To Life from americanrtl.org Assuming you're good to write a check, start by choosing a pen with permanent ink, preferably black or blue. Write the payment amount in words. But you’re probably not be surprised to learn that large checks may actually take longer.