Основные математические действия:

Basic processes for working out (= calculating) a problem:
+ = сложение – addition – to add
6 + 4 = 10
six plus/and four equals/is ten
– = вычитание – subtraction – to substract
6 – 4 = 2
six minus four equals/is two
• = умножение – multiplication – to multiply by
6 • 4 = 24
six times/multiplied by four equals/is twenty-four
: = деление – division – to divide by
24 : 4 = 6
twenty-four divided by four equals/is six