Fifty is the cardinal number representing five tens, essential for basic counting and daily life interactions.
30秒でわかる単語
- Represents the number 50.
- Used to describe quantity, age, or money.
- Follows forty-nine and precedes fifty-one.
Overview
The word 'fifty' is a fundamental cardinal number in the English language, serving as a milestone in the decimal system. It acts as the halfway point toward one hundred, making it a significant number in various contexts ranging from basic arithmetic to social milestones. Usage Patterns: As a numeral, 'fifty' functions as a determiner (fifty people) or a noun (he is fifty). It is written as a single word with a hyphen when combined with smaller numbers (e.g., fifty-five). In sentences, it is treated as a plural concept when referring to a count of items, but singular when referring to a specific age or a sum of money. Common Contexts: You will frequently encounter 'fifty' when discussing currency, such as a fifty-dollar bill, or when describing age, as turning fifty is often considered a major life event. It is also common in sports, such as the 'fifty-yard line' in American football, or in general estimations where people use it as a round number to represent a large but manageable quantity. Similar Words Comparison: When comparing 'fifty' to 'fifteen,' the primary distinction is the suffix. 'Fifteen' ends in '-teen,' denoting a number between ten and twenty, whereas 'fifty' ends in '-ty,' denoting a multiple of ten. Learners often confuse the pronunciation of these two; 'fifteen' has the stress on the final syllable, whereas 'fifty' has the stress on the first syllable. Understanding this rhythmic difference is essential for clear communication.
例文
I have fifty dollars in my wallet.
everydayI have fifty dollars in my wallet.
The company celebrated its fifty years of service.
formalThe company celebrated its fifty years of service.
I'll be there in fifty minutes.
informalI'll be there in fifty minutes.
Fifty percent of the participants agreed with the study.
academicFifty percent of the participants agreed with the study.
よく使う組み合わせ
よく使うフレーズ
fifty-fifty
an equal chance or split
fifty-fifty chance
an equal probability of success or failure
よく混同される語
Fifteen is 15, while fifty is 50. The pronunciation of the final syllable is different, with fifteen being longer and stressed.
文法パターン
How to Use It
使い方のコツ
Fifty is a neutral term used in all registers. When speaking, ensure the 'ty' sound is distinct to avoid confusion with 'fifteen.' In formal writing, numbers below one hundred are often written out as words.
よくある間違い
A common mistake is confusing 'fifty' and 'fifteen' in listening exercises. Another error is writing 'fifty' as 'fity.' Always double-check the spelling of the 'f' and 't' combinations.
Tips
Mastering the stress pattern
Always stress the first syllable for multiples of ten like fifty. This helps listeners distinguish it immediately from teen numbers.
Hyphenation rules for compound numbers
Remember to use a hyphen when writing numbers like fifty-one or fifty-nine. Do not use a hyphen for fifty itself.
The Golden Anniversary
In many cultures, fifty years of marriage is celebrated as the 'Golden Anniversary.' It represents a significant and long-lasting commitment.
語源
Derived from the Old English 'fiftig,' which is a combination of 'fif' (five) and 'tig' (group of ten). It has maintained this structure throughout the history of the English language.
文化的な背景
In American culture, reaching the age of fifty is often seen as a significant milestone, sometimes referred to as 'the big five-oh.' It is also a standard denomination for currency in the United States.
覚え方のコツ
Think of 'five' and 'ten' to remember 'fifty.' If you have five groups of ten, you have fifty!
よくある質問
4 問You can use it as an adjective before a noun, such as 'I have fifty apples.' You can also use it as a noun, for example, 'She turned fifty yesterday.'
It is always just 'fifty.' Adding 'zero' is redundant and incorrect in standard English.
Focus on the stress. Fifty is stressed on the first syllable (FIF-ty), while fifteen is stressed on the last (fif-TEEN).
No, the number remains 'fifty.' You would say 'fifty dollars' rather than 'fifty dollar.'
自分をテスト
There are ___ states in the United States of America.
The United States has fifty states.
Which is the correct way to write the number after forty-nine?
Fifty is the standard spelling.
old / fifty / is / he
Standard English structure for age uses 'years old' after the number.
スコア: /3
Summary
Fifty is the cardinal number representing five tens, essential for basic counting and daily life interactions.
- Represents the number 50.
- Used to describe quantity, age, or money.
- Follows forty-nine and precedes fifty-one.
Mastering the stress pattern
Always stress the first syllable for multiples of ten like fifty. This helps listeners distinguish it immediately from teen numbers.
Hyphenation rules for compound numbers
Remember to use a hyphen when writing numbers like fifty-one or fifty-nine. Do not use a hyphen for fifty itself.
The Golden Anniversary
In many cultures, fifty years of marriage is celebrated as the 'Golden Anniversary.' It represents a significant and long-lasting commitment.
例文
4 / 4I have fifty dollars in my wallet.
I have fifty dollars in my wallet.
The company celebrated its fifty years of service.
The company celebrated its fifty years of service.
I'll be there in fifty minutes.
I'll be there in fifty minutes.
Fifty percent of the participants agreed with the study.
Fifty percent of the participants agreed with the study.
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関連語彙
generalの関連語
about
A1'about'は、何かの話題について話すときや、おおよその量を表すときに使います。
above
A2何かの真上にある、より高い位置を示します。
accident
A2予期せず起こる悪い出来事で、損害や怪我につながることがあるものです。
action
A2目標を達成するために何かを実際に行うことだよ。
after
A2'after'は、時間的または場所的に、何かの後であることを意味します。
afterward
A2At a later or subsequent time.
again
A2'again'は、何かがもう一度起こる、繰り返されることを意味します。
aged
B1ある特定の年齢であること。人や物の年齢を表す時に使うよ。
alive
A2死んでおらず、生命活動をしている状態。
all
A2'all'は、物事の全体や、一つ残らずすべてを指します。