Reply To: number lines starting with a coordinate mark Home › Forums › Tactile Graphics › number lines starting with a coordinate mark › Reply To: number lines starting with a coordinate mark September 17, 2012 at 8:28 pm #21569 dspenceModerator Dear Julie, Yes, that's what section 6.5.1.5 of the TG Guidelines say...this information came directly from the original Number Line Addendum information. Diane