Delia created "various openings and closings" for "Mathematics Around You",^[1] a BBC television series for schools produced by Andree Molyneux, aimed at age 7-9 and consisting of eight 20-minute episodes^[2] broadcast from 24th April-23rd June 1967.^[3]^[4]

Its tape's catalogue entry is dated 1st November 1966,^[1] her score for Happy Birthday, used in one of the episodes, is dated March 1967^[5] and it would have been broadcast between 24th April and 23rd June 1967.^[4]

Tape TRW 6848, labelled "Pete Brady Show", claims to be a copy of Happy Birthday taken from TRW 6586: "Mathematics Around You" and broadcast on 30th April 1968.^[6]

Episodes

Sorting: A children's birthday party provides some mathematical situations.
Ordering: A small boy enjoys using mathematics when preparing for a jumble sale.
Length: The adventure playground Is an exciting place for all kinds of measuring.
Weight: Baking cakes, building a see-saw, weighing a guinea-pig - they are all part of a day's work for eight-year-old Kim.
Containers: Measuring with water, sand, and cubes.
Shapes: Shapes seen from the Thames.
Surfaces: A school day for Chris and his friends Includes papering a Wendy house and roofing a hut.
Looking Further: Lalitha's class prepares a play about a game of chess.^[4]

Papers

There is a bundle of Delia's manuscript papers, clipped together, for six programmes in a series about Mathematics. One sheet is headed "Maths Prog", and another bears the date "3.67".

DD123106: "3.67", including Happy Birthday.
DD123132: A crossed-out page of score fragments for "Pattern 1".
DD123149: "1 CONT.", "BASS"
DD123203: "PROG. 5", "Rhythm for prog. 3", "FLOUR BAGS N.U."
DD123220: "MATHS PROG 1 SEQ"
DD123227: "PROG 6 (1)"
DD123259: "PROG 6 (2)"
DD123247: "PROG 7"
DD123316