Counting on a Number Line Math Worksheets - Skip Counting by1's, 2's, 5's, and 10's Students will learn and practice number patterns at this math They fill in the missing numbers on these lines by Skip counting by 1’s, 2's, 5's, and 10's. Grade 1, 2, & 3 students can practice skip counting at this hands-on Great beginning of school activity. This worksheet is a great way to help Students practice their Students will enjoy practice count Please follow me.