Numbertime is a BBC

BBC

The British Broadcasting Corporation is a British public service broadcaster. Its headquarters is at Broadcasting House in the City of Westminster, London. It is the largest broadcaster in the world, with about 23,000 staff...

 educational television series for primary schools that was first aired on BBC2 in 1993. It was originally presented by Lolita Chakrabarti

Lolita Chakrabarti

Lolita Chakrabarti is an actress and writer based in London, United Kingdom.As an actress she has worked extensively on stage and screen...

. El Nombre

El Nombre

El Nombre is an animated masked Mexican gerbil originally from a series of educational television shows called Numbertime - a BBC schools programme about mathematics. His first appearance was in 1993 and he became such a success that his interstitial part was soon extended to a five minute short ,...

, an animated character on Numbertime, eventually became the concept for another educational children's television program.

Series 1: Numbers 1 to 10 (1993)

• Episode 1: Number 1 (air date September 20, 1993)
• Episode 2: Number 2 (September 27, 1993)
• Episode 3: Number 3 (October 4, 1993)
• Episode 4: Number 4 (October 11, 1993)
• Episode 5: Number 5 (October 18, 1993)
• Episode 6: Number 6 (November 1, 1993)
• Episode 7: Number 7 (November 8, 1993)
• Episode 8: Number 8 (November 15, 1993)
• Episode 9: Number 9 (November 22, 1993)
• Episode 10: Number 10 (November 29, 1993)

Series 2: Shapes (1995)

• Episode 1: Circles (April 24, 1995)
• Episode 2: Squares (May 1, 1995)
• Episode 3: Triangles (May 9, 1995)
• Episode 4: Rectangles (May 15, 1995)
• Episode 5: Shapes Together (May 22, 1995)

Series 3: Side by Side (1995)

• Episode 1: Up, Down, On and Off (September 12, 1995)
• Episode 2: In Front and Behind, Before and After (September 26, 1995)
• Episode 3: Under, Over, On Top of, and Beneath (October 5, 1995)
• Episode 4: Beside, Around, and Between (October 12, 1995)
• Episode 5: In, Out and Through (October 19, 1995)

Series 4: Addition And Subtraction (1995)

• Episode 1: Adding 2 Numbers
• Episode 2: Adding 3 Numbers
• Episode 3: Patterns Of Addition
• Episode 4: Two Step Addition
• Episode 5: Addition with Partition
• Episode 6: Subtracting one from another
• Episode 7: Addition and Subtraction Difference
• Episode 8: Patterns Of Subtraction
• Episode 9: Two Step Subtraction
• Episode 10: Plus And Minus

Series 4: More or Less (1996)

• Episode 1: One More (April 17, 1996)
• Episode 2: Two More (April 24, 1996)
• Episode 3: Three More (May 1, 1996)
• Episode 4: Five More (May 8, 1996)
• Episode 5: One Less (May 15, 1996)
• Episode 6: Two Less (May 22, 1996)
• Episode 7: Three Less (June 5, 1996)
• Episode 8: Five Less (June 12, 1996)

This marks the first appearance of Bill the Numberbird.