Addition and subtraction using animations, songs and sketches. The relationship between practical problem solving and written calculations is made clear.
Dr Terrible's House of Horrible
Episode 4: And Now the Fearing
30 minutes on BBC Two Wales (Analogue)
Series of comic chiller stories. London 1972: dreams become nightmares for property developer Denham Denham when he becomes trapped in a lift with an architect and a writer.