Count to thirty with a five-year-old and you may hear « twenty-nine, twenty-ten. » Crossing a ten is hard. This kindergarten counting to 30 worksheet makes those tens easy to see. In the first set, orange cars fill three rows of ten boxes. In the second, yellow tennis balls fill two long rows and a shorter one. Below each set, four numbers wait, and children color the right one. The PDF has two pages: the worksheet and its answer key.