Translation of "Arithmetic" in French

Tom likes arithmetic.

Tom aime l'arithmétique.

He's good at arithmetic.

Il est bon en calcul.

Arithmetic deals with numbers.

L'arithmétique traite des nombres.

Tom can't do even simple arithmetic.

Tom ne peut même pas faire des opérations arithmétiques simples.

Adults told me that, instead of drawing snakes, or their interior, I should be learning arithmetic, geography, history, and grammar.

Les grandes personnes m'ont conseillé de laisser de côté les dessins de serpents ouverts ou fermés, et de m'intéresser plutôt à la géographie, à l'histoire, au calcul et à la grammaire.

- He doesn't have enough brains to do sums in his head.
- He isn't smart enough to do mental arithmetic.
- He isn't smart enough to add up numbers in his head.
- He's not smart enough to add numbers in his head.

Il n'a pas assez de cervelle pour faire des additions de tête.