Quad Rule graph paper also known as 4x4 graph paper has four squares per inch so each square measures .25 x .25 It is frequently used for math or science for younger children (teens and college age may use 5x5). 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 w