5x5 graph paper, also known as 'engineering' paper has five squares per inch, so each square measures .20" x .20" It is frequently used for math or science purposes for teens and adults. The larger quad rule sized squared paper may be better for younger children. Graph paper has many uses. Here are some possible ones: Design projects, mapping for board/video/roleplay games, designing floorplans, tiling or yard landscaping, playing pen and pencil games, planning embroidery, cross stitch or knitting. Some occupational therapists use squared paper for writing practice. Artists may use grids to copy pictures. Programmers, engineers and scientists may prefer graph paper for notes that involve formulas. Alternate names: Coordinate paper, grid paper, squared paper or math paper