Languages
Why Numbers Are The Last Thing To Arrive
Numbers stay stubbornly hard in a second language because they are learned as a fixed sequence in the first one and resist being processed like other words.

Advanced learners who discuss complex subjects comfortably often find themselves stuck on a price or a phone number. The difficulty is specific and well recognised.
Numbers are stored as a sequence
In a first language, numbers are learned early as an ordered chain, and much of their use depends on that chain being automatic.
A second language builds a parallel chain that is far weaker, so retrieval is slower and often runs through the first language rather than directly.
That extra step is invisible in slow speech and fatal in fast speech, which is why numbers fail exactly when they are delivered at conversational speed.
Arithmetic stays in the first language
Mental calculation is heavily verbal, and most people continue to calculate in whichever language they learned to count in, regardless of later fluency.
This means a number heard in the second language is translated, worked with, and translated back, all while the conversation continues.
The effect is most obvious with money and measurement, where the number arrives with a unit that may also need converting.
Structures differ in awkward ways
Languages assemble numbers differently. Some place tens before units, some express certain values as compounds, and some group large numbers in different sizes.
Where the order differs from the learner's first language, the digits arrive in the wrong sequence for direct transcription, and a short pause is required to reassemble them.
That pause is fine for one number and impossible for a series, which is why dictated addresses and account numbers cause disproportionate trouble.
Similar sounds compound the problem
Many languages have number pairs that differ only slightly, and these are among the most consequential words to confuse.
Native speakers disambiguate them by stress or by context without noticing, while learners are left with two candidates and no reliable way to choose.
The safe habit is confirmation. Repeating a number back is standard practice among native speakers too, and it costs nothing to adopt.
Practice has to be automatic, not academic
Learners rarely practise numbers after the first weeks, because they appear simple on the page and the difficulty only shows up in real time.
The useful drills are ones that force speed: reading prices aloud, saying times without preparation, dictating digits to yourself from any list to hand.
Progress here is unusually visible. A few weeks of deliberate practice removes a limitation that years of general study leave untouched.
Also by Mei-Lin Chow
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