每次碰到數字都不知該怎麼念嗎? 還在數 "個十百千萬..." 嗎?
數字的標示通常會每三位一撇 以方便唸出來或寫成文字
從右到左 第一撇的左邊那一位數是「千」(thousand)
第二撇的左邊那一位數是「百萬」(million)
第三撇的左邊那一位數是「十億」(billion)
1,000 | one thousand, a thousand |
1,500 | one thousand five hundred, fifteen hundred |
10,000 | ten thousand |
100,000 | one hundred thousand, a hundred thousand |
235,000 | two hundred thirty-five thousand |
1,000,000 | one million, a million |
2,500,000 | two million five hundred thousand |
46,000,000 | forty-six million |
345,000,000 | three hundred forty-five million |
1,000,000,000 | one billion, a billion |
Fractions
1/2 | a/one half |
1/3 | a/one third |
1/4 | a/one quarter |
1/12 | one twelfth |
1/15 | one fifteenth |
2/3 | two thirds |
3/4 | three quarters |
9/10 | nine tenths |
2½ | two and a half |
Decimals
35.6 |
thirty-five point six |
2.143 | two point one four three |
0.68 | (zero) point six eight |
Mathematical expressions
+ | plus |
− | minus |
x | times/multiplied by |
÷ | divided by |
= | equals/is |
% | per cent/percent |
52 | five squared |
23 | two cubed |
Temperature
35°C | 35 degrees Celsius |
78°F | 78 degrees Fahrenheit |
Prices
$1.20 | one dollar and twenty cents a dollar twenty |
$3.50 | three dollars and fifty cents three fifty |
$28.62 | twenty-eight dollars and sixty-two cents twenty-eight sixty-two |
$147.30 | a hundred forty-seven dollars and thirty cents one forty-seven thirty |
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