Pre-k and Kindergarten number line up to 10 game - Interactive online game for kids to learn the number line with numbers ranging from 1 to 10 � learn how to count up to ten with fun. This game contains number lines and in each case there is a missing number of the number line. Students have to count and find out which number is missing. This game can be used at home and in school to review number lessons. Counting and number lines are essential skills for children in kindergarten, 1st, 2nd and 3rd grades. Parents will find this a useful material for homeschooling their kids while teachers will find it a simple way to supplement their regular course.