Why Can Maths Feel Harder in Another Language?
Maths can feel harder in another language because understanding the question and solving it share the same limited mental workspace. A child may know the mathematical idea but spend so much attention on vocabulary, sentence structure or instructions that too little remains for the solution steps. In Luxembourg, this can make a language bottleneck look like a maths gap—or hide a real maths gap behind language.
Why is maths harder in another language?
Imagine a pupil who solves a calculation in symbols but gets stuck when the same relationship appears in a word problem. Once the sentence is rephrased, the solution arrives. The mathematics did not change; the amount of information to coordinate did.
Working memory holds the question, relevant values, an intermediate result and the next operation. Familiar knowledge reduces that load because several elements can be recalled as one meaningful unit.
A less automatic school language uses the same mental space:
unfamiliar wording → more working memory spent decoding → less capacity for mathematical steps → lost information and errors.
The child may experience this as “I can’t do maths” even though the first obstruction appeared before the calculation.
This is a careful inference from learning science on working memory, background knowledge and chunking—not a diagnosis of multilingual pupils. Multilingualism does not itself make a child weak at maths, and changing language does not repair a mathematical misconception.
Three patterns that can look the same
A blank answer can come from different bottlenecks:
- The idea is secure, but the wording is not. The pupil solves a symbolic version, draws the relationship or explains it in a stronger language. Difficulty rises around terms such as “at most”, “difference” or “increases by”.
- The wording is clear, but the procedure is fragile. The pupil paraphrases the question correctly but cannot perform the operation. Rewording changes little, and an example helps only while visible.
- Both demands arrive together. A new concept appears in unfamiliar phrasing. Each part may be manageable alone, but together they exceed what the learner can coordinate at that moment.
The distinction is not about blaming language or maths. It shows where the next useful support belongs.
Clues that separate language from mathematics
Home observations are not a formal assessment, but contrasts can reveal where attention is being spent:
- A bare calculation works; a word problem using the same operation does not.
- One clarified word unlocks the task without another explanation of the method.
- The child draws or explains the relationship in another language but cannot connect it to the school wording.
- Errors cluster around instructions and conditions rather than calculations.
- Or the question is paraphrased accurately, yet the first mathematical step is still unavailable.
A changed problem adds another check. If success depends on recognising an almost identical example, familiarity may be carrying the work rather than independent linguistic or mathematical understanding.
How support can locate the bottleneck
A teacher or tutor can first reduce the language load without changing the mathematics: use a diagram, a shorter sentence or a spoken paraphrase. If the pupil can then reason through the task, the language layer deserves attention.
The original wording can be restored and linked to the mathematical structure across varied examples. The aim is not permanent translation, but quicker access to the phrases used in class.
If simpler wording does not unlock the problem, the search can move backwards through the maths:
- Which fact or procedure is not yet available from memory?
- Does a simpler version work?
- Can the pupil explain the first choice without a model?
This avoids two mismatches: repeating calculations while vocabulary blocks access → no change in comprehension → the same errors return, or practising vocabulary while the mathematical foundation remains unstable.
What Luxembourg’s multilingual setting can reveal
A pupil may seem secure in one year and hesitate when the teaching language or density of subject vocabulary changes. The earlier learning may still be present but closely linked to the language and examples in which it was acquired.
The reverse also happens: solid conceptual knowledge gives new terminology a structure to attach to. Background knowledge makes further knowledge easier to organise.
The most accurate description is therefore rarely “bad at maths in French” or “good at maths in German”. A particular combination—new concept, less automatic school language and multi-step question—may simply demand more working memory from the same child.
The mathematical structure has not changed. The route to it has become busier.
Sources behind this article
- Barbara Oakley, Uncommon Sense Teaching
- Daniel Willingham, Why Students Don’t Like School