Primary writing paper is a type of paper that is typically used by young children when they are learning how to write. It is usually made of a lightweight, thin material such as newsprint or waxed paper. It is designed to be easy to write on, and it often has raised lines to help children learn how to form their letters correctly. Primary writing paper is usually available in a variety of sizes and colors, and it is often used in classrooms and homes to help children learn to write.