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
thirty-five point six
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
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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