English transcription: Chad - Gounou-Gaya - March/April 1978. Operational Seminar at Gounou-Gaya, Chad. Teachers' working session during which they prepare the counting lesson with the aid of a counting frame made by themselves. This counting frame allows the pupils to learn about units, tens, hundreds and thousands which is very important for the village - planters who are often undersold when they sell their cotton.
French transcription: Tchad - Gounou-Gaya - mars/avril 1978. Séminaire Opérationnel de Gounou-Gaya, Tchad. Séance de travail des formateurs préparant la leçon de calcul grâce à un boulier fabriqué par les formateurs eux-mèmes. Ce boulier permet d'apprendre le principe des unités, dizaines, centaines et milliers. Ces notions sont importants pour les villageois planteurs de coton qui se font souvent volés lots de la vente du coton.
Description: Seven men (five seated, two standing) in a woven hut, looking at a counting frame placed on a stool or small table.