17:40Airgead AfragaEpisode 6: Cuir-ris agus toirt air falbh (Addition and Subtraction)BBC ALBA Duration: 14 minutes Mon 28th Feb 2011, 17:40 on BBC ALBAMiddle-stage mathematics series. At Level C, aligned with elements of the 5-14 National Guidelines.GenresLearningSeriesAirgead Afraga Source: BBC Online
