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Justyna Jupowicz-Kozak quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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didn't add up

Grammar usage guide and real-world examples

USAGE SUMMARY

"didn't add up" is a correct and usable phrase in written English.
You can use this phrase to describe something that does not seem consistent or logical. For example, "The numbers in her report didn't add up, so I asked her to look over her calculations again."

✓ Grammatically correct

News & Media

Science

Human-verified examples from authoritative sources

Exact Expressions

57 human-written examples

Things just didn't add up".

News & Media

The Guardian

Even those didn't add up to £10.5bn.

News & Media

The Guardian

While her points didn't add up, she praised her opponents.

News & Media

The New York Times

But in the end her story "didn't add up".

News & Media

The Guardian

The problem: it didn't add up to a whole lot.

News & Media

The New York Times

But it didn't add up to much," he says.

News & Media

The New Yorker

"It reached the point where the answers didn't add up".

News & Media

The New York Times

Some details about the video didn't add up, though.

News & Media

The Guardian

— but your numbers didn't add up, then what?

News & Media

The New Yorker

THE numbers didn't add up: Ten years of writing soap operas on network television.

News & Media

The New York Times

Many of the details of her story didn't add up or seemed implausible.

Show more...

Expert writing Tips

Best practice

Use "didn't add up" when you want to express that something seems inconsistent, illogical, or implausible. It's suitable for both formal and informal contexts.

Common error

Avoid using "didn't add up" when you actually mean something is difficult to calculate arithmetically. This phrase refers to logical inconsistencies, not mathematical ones.

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

91%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "didn't add up" functions as a predicate in a sentence, expressing that something lacks coherence or consistency. Ludwig AI shows the usage in sentences where a story, evidence, or numbers are being evaluated for their logical soundness.

Expression frequency: Very common

Frequent in

News & Media

78%

Science

11%

Formal & Business

6%

Less common in

Encyclopedias

0%

Wiki

0%

Reference

0%

Ludwig's WRAP-UP

The phrase "didn't add up" is a common and versatile expression used to indicate a lack of logical consistency or coherence. As Ludwig AI confirms, it is grammatically sound and readily applicable across diverse contexts, primarily appearing in News & Media. When something "didn't add up", it suggests that details are inconsistent, or implausible, leading to doubt or disbelief. Alternatives like "didn't make sense" or "didn't hold water" can be employed to convey similar meanings, adjusting for formality and emphasis. Remember that "didn't add up" is best used for logical inconsistencies, not mathematical ones, ensuring clarity and precision in your writing.

FAQs

What does "didn't add up" mean?

The phrase "didn't add up" means that something seemed inconsistent, illogical, or implausible. It suggests that the facts or details presented don't align in a sensible way.

How can I use "didn't add up" in a sentence?

You might say, "The suspect's alibi "didn't add up", so the police investigated further" or "The numbers in the financial report "didn't add up", raising concerns about potential fraud."

What's a more formal way to say "didn't add up"?

In a more formal context, you could say "was inconsistent", "was illogical", or "didn't stand up to scrutiny".

Which is correct, "didn't add up" or "doesn't add up"?

"Didn't add up" is past tense, indicating something didn't make sense in the past. "Doesn't add up" is present tense, indicating something doesn't make sense now. Choose the tense that matches the time frame you're describing.

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Source & Trust

91%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Most frequent sentences: