These Fill in 1 Missing Number worksheets are perfect for kids. They will help your pre-school, pre-K, kindergarten, or homeschool students quickly learn counting numbers.I believe a set of the Fill in 1 Missing Number worksheets will be the right answer for your pre-school, pre-K, kindergarten or homeschool students.Each of the Fill in 1 Missing Number worksheet is in large letter styles that are perfect for small children and will help your pre-school, pre-K, kindergarten, or homeschool studen