arithmetic
Translation
arithmetic, calculation
Examples
I was never very good at arithmetic.
I was never very good at arithmetic.
He did some quick mental arithmetic.
He did some quick mental arithmetic.
Grammar Patterns
((...)) the branch of mathematics dealing with numbers and calculation I was never very good at arithmetic.
Similar Words
Synonyms: calculation, computation, sums
Etymology
From the Greek word 'arithmos', meaning 'number'.
Memory Tips
It sounds a bit like 'a rhythm'. Think of arithmetic as the basic rhythm of math: adding, subtracting, etc.