The county commission shall provide a sufficient number of ballots for each voting precinct within said county, and at the top of each ballot shall be printed the rate of such proposed tax, the time it is to be continued and that the purpose is for the support of the public schools, and directly underneath in plain type shall be printed on different lines the words, “For proposed taxation,” “Against proposed taxation,” and a place must be left directly to the left of each line thereof, and the voters favoring the proposed taxation will make a cross mark directly to the left of the line, “For proposed taxation,” and the voter not favoring proposed taxation will make a cross mark directly to the left of the line “Against proposed taxation.”