Reply To: UEB math Number Lines
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It is the Tactile Graphics Committee's stance that we follow the suggestion in the 2010 Guidelines and Standards for Tactile Graphics (TGG) for texts transcribed using UEB Guidelines for Technical Material: number lines for kindergarten through grade 3 should be done as tactile graphics with raised lines (TGG 18.104.22.168) while grades 4 and up may be done using braille symbols (TGG 22.214.171.124).
However, even when the number line in grades 4 and up is created using braille symbols, it is still recommended to create any lines above the number line using tactile lines. In addition, if a number line must be rotated to vertical, it will be always done using tactile lines.
Thank you for your question.