18:45Airgead AfragaEpisode 6: Cuir-ris agus toirt air falbh (Addition and Subtraction)BBC ALBA Duration: 14 minutes Fri 25th Feb 2011, 18:45 on BBC ALBAMiddle-stage mathematics series. At Level C, aligned with elements of the 5-14 National Guidelines.GenresLearningSeriesAirgead Afraga Source: BBC Online
