Our high-quality white sulphite paper gives this grid or graph paper a smooth surface for science, math, and art projects. If you have a child with special learning needs or one who has trouble keeping items in columns or rows, grid paper will make lessons much easier. Joyce Herzog recommends our grid paper for many learning activities! Select the size grid based on the project and the age of the student. "CM" is paper gridded to the centimeter scale that is used by most math manipulatives. The 8 (8 squares/inch) and 10 (10 squares/inch) division paper is used by hobbyists. 50 sheets.