1．加：用and ,plus , added to 等詞表示。
2 ＋ 4 ＝ 6 可譯為：
Two and four is six .
Two plus four is equal to six .
Two added to four equals six .
Two and four makes six .
Two plus four will be six .
If you add two to four , you get six .
2．減：用minus, taken from, subtracted from 等表示。
Eight minus three is five .
Eight minus three is equal to five .
Three taken from eight leaves five .
Three subtracted from eight leaves five .
Take three from eight and the remainder is five .
3．乘：用multiply···by···/ multiplied by / time 等表示。
3 × 5 = 15可譯為：
Multiply three by five is (gives)fifteen .
Three multiplied by five is fifteen .
Multiply three by five , you get fifteen .
Three times five is (makes, will be , equals, is equal to ) fifteen .
4．除：用divide···by···/ divided by / divide···into··· / into 等表示。
24 ÷ 8 = 3 可譯為：
Twenty-four divided by eight makes (is , equals ) three .
Twenty-four divided by eight is equal to three .
Eight into twenty-four goes three times .
Divide eight into twenty-four , and you get three .
Divide twenty-four by eight , and you get three .