2. ## Re: the addition of 2+2=4

The phrase the addition of is awkward. And I've only seen words and math figures combined in a sentence in math text books, not in ordinary writing.

We would probably say (or write) something like:

- Two and two is four.
- Adding two and two gives you four.
- Two and two makes four.
- Two plus two equals four.
- If you add two and two, you get four.
- You can add two and two together to get four.

Does that make sense? There are many possibilities.

Charlie

PS - There are many different and conflicting rules about when to use digits (4) and when to spell out numbers (four). As with all conflicting rules of English, the only important thing is to be consistent.

3. ## Re: the addition of 2+2=4

"Addition of" and "plus" is redundant.

4. ## Re: the addition of 2+2=4

Originally Posted by SoothingDave
"Addition of" and "plus" is redundant.

5. ## Re: the addition of 2+2=4

Originally Posted by sitifan
No, I don't like it. "Addition" is an operation. The operation is not "four." The result of the operation is "four."

"The addition of" is unnatural. See the suggestions given above for natural utterances.

If you absolutely must say "the addition of" then I would say "... two and two yields four." Or "results in four."

To speak in exact mathematical language "the sum of two and two is four."

6. ## Re: the addition of 2+2=4

Very nice, Charlie!

I didn't even realize there were that many ways of saying 2+2=4 :)

Are these also used?
-Two plus two is four
-Two plus two makes four

7. ## Re: the addition of 2+2=4

Very nice, Charlie!

I didn't even realize there were that many ways of saying 2+2=4 :)

Are these also used?
-Two plus two is four.
-Two plus two makes four​. [Periods, please!]
Yes. It's odd that we don't say "are four" or "make four" - just another exception to add to a long list of them. (And maybe the Brits and others do it differently. I'm an American.)

8. ## Re: the addition of 2+2=4

Originally Posted by Charlie Bernstein
Yes. It's odd that we don't say "are four" or "make four" - just another exception to add to a long list of them. (And maybe the Brits and others do it differently. I'm an American.)
Two and two is/are four.
I think are is acceptable in he above sentence, sin't it?

9. ## Re: the addition of 2+2=4

We use "is" in BrE too.

Three plus twelve is fifteen. Nine minus three is six. Twelve times four is forty-eight.

That's not to say that everyone uses "is" for multiplication. When we learnt the "times table" at my school, it was recited like this:

Two twos are four.
Three twos are six.
Four twos are eight.
Seven eights are fifty-six.
Six nines are fifty-four.

However, a friend of mine went to a different school and they recited the times table like this instead:

Two times two is four.
Three times two is six.
Four times two is eight.
Seven times eight is fifty-six.
Six times nine is fifty-four.

10. ## Re: the addition of 2+2=4

Originally Posted by Charlie Bernstein
Yes. It's odd that we don't say "are four" or "make four" - just another exception to add to a long list of them. (And maybe the Brits and others do it differently. I'm an American.)
You'll hear is and are in BrE.

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