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Dyscalculia

Dyscalculia makes the relationship with numbers and arithmetic lastingly difficult, while reasoning itself works very well elsewhere. Counting, comparing quantities, setting out a calculation or telling the time can stay laborious for a long while.

It is not a delay that catches up through repetition: it is number sense that builds itself differently. A person with dyscalculia can be brilliant at reading, the arts or speaking, and freeze the moment a figure comes into play.

At the bakery, giving change or checking a receipt can turn into a puzzle, even in adulthood. It is not carelessness: numbers do not "speak" the way they speak to others.

Hence frequent anxiety around anything involving figures, which sometimes leads people to avoid situations that require calculation rather than ask for help.

Much more than maths

Dyscalculia goes beyond the maths lesson: reading a train timetable, following a recipe, managing a budget, remembering a number, estimating a duration. Assessing reasoning separately from calculation speed often does justice to what the person truly understands.

What helps

  • allowing a calculator and times tables in view,
  • giving time, and reducing the number of operations,
  • going through the concrete (objects, diagrams) before the abstract,
  • not timing mental arithmetic in front of others.
Key figures

Dyscalculia in a few figures

  • ~ 3-7 %of school-age children show signs of dyscalculia, the math-learning equivalent of dyslexia.Source: Centre for Educational Neuroscience, UK ; Dyscalculia.org.
  • ~ 1 / 1girls and boys are affected at similar rates, unlike dyslexia or dyspraxia.Source: British Dyslexia Association ; IDA.
  • ~ 40 %of children with dyscalculia also show signs of another condition (dyslexia, ADHD, attention difficulties).Source: Centre for Educational Neuroscience.
  • Often misseddyscalculia is the least-identified specific learning difficulty, with most cases diagnosed only in late primary school or beyond.Source: BDA ; IDA.
  • IEP / EHCPsupport frameworks in US schools (Individualized Education Program) and UK schools (Education, Health and Care Plan).Source: US Dept. of Education ; UK Dept. for Education.

Possible accommodations

Simple supports, depending on age:

  • At school: a support plan (PAP, a personalised support plan for students with learning difficulties, in France), calculator allowed, extra time, simplified wording.
  • At work: RQTH (recognition of disabled worker status, in France) via the MDPH (the local disability rights office, in France) for calculation tools, double-checks, written processes.
  • Day to day: budgeting apps, calendar alerts, payment without mental arithmetic.

Explanations based on your profile

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Dyscalculia explained to a Child

0–12 years old

Dyscalculia is when the brain has a hard time understanding numbers and math, a bit as if numbers were speaking a foreign language. It's not the person's fault, and it's not because they aren't smart.

It can mean:

  • Having trouble counting or recognizing numbers
  • Finding it hard to know whether 5 or 10 is bigger
  • Forgetting how to do an addition, even after lots of practice
  • Feeling scared or frustrated when you have to do calculations

But keep in mind: children and adults with dyscalculia can be excellent at lots of other things, drawing, music, history, friendship. Numbers are just one specific difficulty, nothing more.

Real cases: Dyscalculia

use case

Student with dyscalculia, age 10
Parent → Maths teacher
The teacher identifies the useful accommodations (calculator, extra time) without waiting for the official PPS.

QR location: Label on the maths exercise book

See the case in detail
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