Write the correct answer for each sentence, using either words to spell out the numbers (thirty-one) or numerals where appropriate (31). Write a C if the sentence is correct as is.

1. ___ 351 people attended the performance.
2. ___ There were one hundred and thirty-five pieces in the puzzle.
3. ___ Class started at eight-thirty A.M. in Room Twenty.
4. ___ In the sixties there were sit-ins at 100's of colleges.
5. ___ Every afternoon at two o'clock the chimes rang.
6. ___ The stock deal, which involved $4.5 billion, paid a twelve and a half percent dividend.
7. ___ The Lafayette television station is Channel Eighteen.
8. ___ They needed eight ten-foot poles for the construction.
9. ___ The vote was 126 in favor of the action and only sixteen opposed.
10. ___ The assignment was to read chapter 6, pages 31-39.
11. ___ Only fifty percent of high school students go on to college.
12. ___ We were assigned a report of about 10 pages in length.