This is a worksheet I use with my pre-algebra students. I sometimes make a bulletin board of the number line and then post their name values after the activity. They like to see what students' in other classes get as well.
At the top of the worksheet is a number line with each letter assigned a value. Students then go through and find the value of their name by adding the values of the letters in their names. I then have them find the values of a few other words for practice. As a challenge I have them find some word with specific values as well as the highest and lowest valued 5-letter words they can think of. The students really enjoy this worksheet!