This worksheet is not a puzzle. My students have trouble with nominal, ordinal, interval and ratio. I made up this worksheet as extra practice. There are 25 problems with the answers on the back at the bottom. I've attached an extra back page if you do not want the students to have the answers. We had a huge discussion on number 12. "Choose your military title: Lieutenant, Captain, Major." The answer is nominal, even though there seems to be an order. BUT, not everyone knows the order o