Dyscalculia: what it is, symptoms and how to help your child

Dyscalculia: a child works on an addition worksheet with difficulty, an example of trouble with numbers

Your child reads well, expresses themselves beautifully and is sharp, but when maths comes along everything jams: the times tables just won't stick no matter how often they repeat them, they get lost halfway through a sum, they still count on their fingers and reading an analogue clock is an ordeal. If this sounds familiar, maybe it isn't that they're 'no good with numbers': it could be dyscalculia.

Dyscalculia is far less known than dyslexia, which is why many families take years to put a name to it. Yet it's thought to be roughly as common as dyslexia — there's likely at least one child with it in nearly every classroom, often going unnoticed. Meanwhile, the child tries hard, can't manage and ends up thinking they're 'stupid at maths'. In this article I'll explain what it really is, how to recognise it and, above all, how you can help your child.

What dyscalculia is

Dyscalculia is a specific learning difficulty that affects the understanding and use of numbers. It's often described as 'maths dyslexia', because it's the numerical equivalent of difficulty with reading. The American Psychological Association defines it as a marked difficulty learning or doing mathematical operations that isn't explained by general intelligence or by poor schooling. In other words: the child can be brilliant in other areas and, even so, their brain processes numbers in a different way.

It isn't a lack of intelligence or laziness

This is the most important misunderstanding and the one that does the most harm. Dyscalculia has nothing to do with being unintelligent or with not trying. In fact, many children with dyscalculia work twice as hard as their classmates and still don't get there, which is very frustrating. When an adult reads this as laziness or lack of will, the child gets the message that the problem is them, and their self-esteem suffers deeply. Understanding that it's a neurological matter, and not a matter of willpower, changes everything.

Symptoms of dyscalculia

Dyscalculia shows up mainly at school, but also in everyday life with numbers. These are the most common signs.

Signs you can watch for

  • Finding it very hard to learn to count and memorise the times tables.
  • Mixing up signs (+, −, ×, ÷) and getting lost in the steps of a calculation.
  • Counting on their fingers well beyond the expected age.
  • A very poor memory for numbers: phone numbers, dates, results.
  • Trouble with the analogue clock, the calendar and money (giving change).
  • Taking ages over maths homework and freezing in exams.
  • Often saying 'I hate maths' or 'I can't do it' and avoiding any activity with numbers.

Dyscalculia at every age

It shows up differently depending on the stage. In the early years, it's hard to learn to count, recognise numbers and understand which is bigger. Later, the problem moves to operations, word problems and times tables. In secondary school, algebra and exam fear are added. And, although it's often forgotten, dyscalculia continues into adulthood: managing budgets, timetables or tips can still be difficult. Naming it early saves many years of suffering.

Why it appears: causes of dyscalculia

Dyscalculia has a neurobiological basis: the brain processes numerical information differently, especially in the areas linked to the sense of quantity. There's also a hereditary component (it's common for someone else in the family to have difficulties) and it's sometimes associated with premature birth or other neurodevelopmental factors. What's clear is what does not cause it: not laziness, not poor teaching, not low intelligence. According to the British Dyslexia Association, it affects a far from negligible share of the school population.

Dyscalculia, dyslexia and ADHD: they often go together

Dyscalculia is a form of neurodivergence and rarely comes alone. It's very common for it to co-occur with dyslexia (difficulty with reading) or with ADHD (attention difficulties that complicate calculation). Appearing together doesn't mean one causes the other: they simply share a common basis in neurodevelopment. That's why, when dyscalculia is detected, it's worth assessing these other difficulties too, to get the full picture.

How it affects self-esteem and anxiety

The greatest suffering in dyscalculia is often not the maths itself, but what the child starts to think about themselves. Trying hard and failing, feeling different from classmates and getting criticised ends up creating a wound in their self-esteem and a lot of exam anxiety. The well-known 'maths anxiety' appears: just seeing a page full of numbers makes the mind freeze and the little they know vanishes. Breaking that cycle is as important as working on the calculation.

How it's detected and diagnosed

If you suspect your child has dyscalculia, the key step is a psychoeducational or neuropsychological assessment. A professional explores numerical skills, reasoning, working memory and attention, and rules out other causes of the difficulty (a vision problem, a change of school, etc.). As Understood explains, a good diagnosis isn't a negative label: it's a relief, because it finally explains what's happening and opens the door to the adjustments the child needs.

How to help your child with dyscalculia

Dyscalculia isn't 'cured', but with the right tools the child can learn maths and, above all, stop suffering through it. Your support at home is a huge part of the process.

What you can do at home and at school

  • Use hands-on materials: counters, an abacus, objects to count and touch. Seeing and touching quantities helps far more than memorising.
  • Allow a calculator and extra time: it isn't cheating; it's an adjustment that lets them show what they know.
  • Break problems into small steps and check them one at a time.
  • Connect maths to real life: cooking, shopping or playing with money makes numbers less abstract.
  • Separate their worth from their grades: reward effort and progress, not results, and look after their handling of frustration.
  • Coordinate with the school: ask for the curricular adjustments and support they're entitled to.

When to seek professional help

It's worth getting help when the difficulty with numbers is persistent and well below what's expected for their age, when it causes a lot of suffering or school refusal, or when it affects the child's self-esteem and mood. The sooner dyscalculia is detected, the sooner the adjustments are put in place and the less the sense of failure drags on. Asking for an assessment isn't overreacting: it's giving your child the tools and the explanation they need.

How psychological support helps

Through child therapy we support the child and the family in two ways. On one hand, we help to understand dyscalculia, to guide the diagnosis and to coordinate with the school. On the other, just as important, we work on the emotional impact: self-esteem, maths anxiety and frustration, so the child can trust themselves again. I do this in person in Igualada or with online therapy, in English, Spanish or Catalan.

If you see that your child is struggling with numbers more than they should, get in touch for a first assessment with no obligation. And hold on to this idea: dyscalculia says nothing about how intelligent your child is; it only says they learn numbers in a different way, and that with the right support they can get there.

Frequently asked questions about dyscalculia: symptoms, diagnosis and how to help your child
Frequently Asked Questions

Frequently Asked Questions

Dyscalculia is a specific learning difficulty that affects the ability to understand and work with numbers. It's sometimes called 'maths dyslexia'. Someone with it struggles to grasp quantities, learn times tables, calculate or handle concepts like time or money, despite having normal intelligence and making an effort.

No, not at all. Dyscalculia has nothing to do with intelligence or laziness: children with dyscalculia are usually just as bright as their peers in many areas, but their brain processes numbers differently. Mistaking it for laziness does a lot of harm, because the child tries hard and still can't manage, and ends up thinking they're stupid.

Finding it very hard to learn to count and the times tables, mixing up signs, getting lost in the steps of a calculation, having a very poor memory for numbers, trouble with the analogue clock, the calendar and money, and a lot of freezing in front of maths. The child often takes ages over maths homework and counts on their fingers well beyond the expected age.

Yes, often. Dyscalculia is a form of neurodivergence and it frequently appears alongside others, such as dyslexia (difficulty with reading) or ADHD (attention difficulties that complicate calculation). Co-occurring doesn't mean one causes the other; they share a neurobiological basis. That's why, when dyscalculia is found, it's worth assessing these other difficulties too.

With a psychoeducational or neuropsychological assessment carried out by a professional. Numerical skills, reasoning, memory and attention are explored, and other causes of the difficulty are ruled out. A good diagnosis is key because it explains what's happening and opens the door to the adjustments the child needs at school.

Use hands-on materials (counters, an abacus, objects to count), allow a calculator and extra time, break problems into small steps, link maths to real life (cooking, shopping) and, above all, separate their worth from their grades: reward effort, not results. Coordinating with the school for adjustments and, if needed, seeking support or therapy makes a big difference.