FREE Printable Teen Numbers 11-20 Worksheets Teen number worksheets kindergarten. One thing that we did for every activity of each number is to count from zero to the number. So after we wrote the numerical symbol and number word for 11 we counted from 0 to 11. When we filled in the ten frames, we counted the colored boxes. When we filled in the number line, we counted from 0 to 11 as well.