I can't remember when and where I had this discussion, but I remember being corrected when I was speaking by a stranger saying that it is never correct to say give me half of this; instead, the grammatically correct phrase would be give me one half of this. I've never been a pro at where numbers fit in with the English language, so maybe someone here could shed some light on this.
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Phrases such as I ate half the cake are also correct (albeit colloquial), but you must say half of with a pronoun such as it or that.– Jon PurdyCommented Jan 25, 2011 at 4:28
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1@Jonathan Leffler: Can you post your comment as an actual answer? Thanks. The comments section is for meta commentary about the question; to ask for clarification, for example.– Robert CartainoCommented Jan 25, 2011 at 18:36
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@Roberto: comment converted to an answer...and removed as a comment. I thought Shaun's answer was pretty reasonable; my comment (now answer) wasn't all that different.– Jonathan LefflerCommented Jan 25, 2011 at 18:39
6 Answers
It is perfectly acceptable to say "give me half of that". In English, "half" in understood on its own to mean "one of two equal parts of something".
To put it another way:
- It would make no sense to say "give me no halves of that". You would just say "give me none of that".
- It would make no sense to say "give me two halves of that". You would just say "give me all of that".
Saying "give me one half of that" is redundant. It's equivalent to saying "give me one of one of those two equal parts of that."
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3Just a nitpick: sometimes you might say "two halves" if something is being given out in halves. Say, cakes. If the store is selling half-cakes, you might say "give me two halves" or "give me three halves". I agree that this isn't the general case. Commented Jan 25, 2011 at 18:19
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I didn't notice the grammatical redundancy in my question. Awesome job. Commented Jan 26, 2011 at 5:25
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Saying "give me one half of that" happens to be redundant, but it's also exceptionally common. In my experience, it's roughly 50:50 as to whether people say "give me half of that" or "give me one half of that"– warrenCommented Dec 29, 2020 at 13:12
Comment posted as answer - as requested
In idiomatic usage, you would seldom say 'one half of this'. You might say 'give me one half-pound pack of sugar' but the hyphen shows that it is a different construct. You might say 'give me one third of that' (as opposed to 'two thirds of that'), but with halves, the alternatives are none and all. However, even with thirds, it would be more usual to say 'a third' than 'one third'. So, whoever 'corrected' you was actually misleading you.
I had this situation recently. It was so embarrassing when the saleslady told her co-workers about what I said. I asked her to give me one half kilo (1/2 kilo) of prawns and 3 pieces of fish. She ended up giving me one and one half kilo of prawns. When she asked for the payments and I asked the amount, i freaked out. I was not expecting that she actually gave me 1 1/2 kilo of prawns. I told her I asked for one half not one and one half kilo. She got angry and her co-workers started to laugh. They were all telling me I was wrong. They said it's half not one half. In my understanding, "one half" and "half" are both correct it depends on how you use it with other supporting words.
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1I think you were right and she was wrong. Asking for one half of something is asking for ½ of it, while asking for one and a half is asking for 1½ of it.– tchrist ♦Commented Mar 29, 2015 at 3:24
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My guess is that she knew full well what you meant, and that it is no accident that the supposed misunderstanding worked in her favor. ;-)– DrewCommented Mar 29, 2015 at 3:31
You don't need the 'one' in expressions like 'give me half a cookie'. Where you do need the 'one' is in when units of measurement are involved, like "please give me one half pound of sugar". You can use 'a' instead of 'one', but leaving out any determiner is wrong.
Correct:
Give me one half pound of sugar.
Give me a half pound of sugar.
Give me half a pound of sugar.
Wrong:
*Give me half pound of sugar.
*Give me one half a pound of sugar.
?Give me a half a pound of sugar.
(You do hear the last quite a bit in the U.S., although not in England; this came up in another question here.)
If you are discussing arithmetic, it is always correct to stipulate a numerator and a denominator. "Give me half an apple" is fine, but "what is half plus a third?" is incorrect and should be "what is one-half plus one-third?"